Awesome Go

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A curated list of awesome Go frameworks, libraries, and software. Inspired by awesome-python.

Contributing:

Please take a quick gander at the contribution guidelines first. Thanks to all contributors; you rock!

If you see a package or project here that is no longer maintained or is not a good fit, please submit a pull request to improve this file. Thank you!

Contents

Expand contents

• Awesome Go
  • Contents
  • Actor Model
  • Artificial Intelligence
  • Audio and Music
  • Authentication and Authorization
  • Blockchain
  • Bot Building
  • Build Automation
  • Command Line
    • Advanced Console UIs
    • Standard CLI
  • Configuration
  • Continuous Integration
  • CSS Preprocessors
  • Data Integration Frameworks
  • Data Structures and Algorithms
    • Bit-packing and Compression
    • Bit Sets
    • Bloom and Cuckoo Filters
    • Data Structure and Algorithm Collections
    • Iterators
    • Maps
    • Miscellaneous Data Structures and Algorithms
    • Nullable Types
    • Queues
    • Sets
    • Text Analysis
    • Trees
    • Pipes
  • Database
    • Caches
    • Databases Implemented in Go
    • Database Schema Migration
    • Database Tools
    • SQL Query Builders
  • Database Drivers
    • Interfaces to Multiple Backends
    • Relational Database Drivers
    • NoSQL Database Drivers
    • Search and Analytic Databases
  • Date and Time
  • Distributed Systems
  • Dynamic DNS
  • Email
  • Embeddable Scripting Languages
  • Error Handling
  • File Handling
  • Financial
  • Forms
  • Functional
  • Game Development
  • Generators
  • Geographic
  • Go Compilers
  • Goroutines
  • GUI
  • Hardware
  • Images
  • IoT (Internet of Things)
  • Job Scheduler
  • JSON
  • Logging
  • Machine Learning
  • Messaging
  • Microsoft Office
    • Microsoft Excel
    • Microsoft Word
  • Miscellaneous
    • Dependency Injection
    • Project Layout
    • Strings
    • Uncategorized
  • Natural Language Processing
    • Language Detection
    • Morphological Analyzers
    • Slugifiers
    • Tokenizers
    • Translation
    • Transliteration
  • Networking
    • HTTP Clients
  • OpenGL
  • ORM
  • Package Management
  • Performance
  • Query Language
  • Reflection
  • Resource Embedding
  • Science and Data Analysis
  • Security
  • Serialization
  • Server Applications
  • Stream Processing
  • Template Engines
  • Testing
    • Testing Frameworks
    • Mock
    • Fuzzing and delta-debugging/reducing/shrinking
    • Selenium and browser control tools
    • Fail injection
  • Text Processing
    • Formatters
    • Markup Languages
    • Parsers/Encoders/Decoders
    • Regular Expressions
    • Sanitation
    • Scrapers
    • RSS
    • Utility/Miscellaneous
  • Third-party APIs
  • Utilities
  • UUID
  • Validation
  • Version Control
  • Video
  • Web Frameworks
    • Middlewares
      • Actual middlewares
      • Libraries for creating HTTP middlewares
    • Routers
  • WebAssembly
  • Webhooks Server
  • Windows
  • Workflow Frameworks
  • XML
  • Zero Trust
  • Code Analysis
  • Editor Plugins
  • Go Generate Tools
  • Go Tools
  • Software Packages
    • DevOps Tools
    • Other Software
• Resources
  • Benchmarks
  • Conferences
  • E-Books
    • E-books for purchase
    • Free e-books
  • Gophers
  • Meetups
  • Style Guides
  • Social Media
    • Twitter
    • Reddit
  • Websites
    • Tutorials
    • Guided Learning
  • Contribution
  • License

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Actor Model

Libraries for building actor-based programs.

• asyncmachine-go/pkg/machine - Graph control flow library (AOP, actor, state-machine).
• Ergo - An actor-based Framework with network transparency for creating event-driven architecture in Golang. Inspired by Erlang.
• Goakt - Fast and Distributed Actor framework using protocol buffers as message for Golang.
• Hollywood - Blazingly fast and light-weight Actor engine written in Golang.
• ProtoActor - Distributed actors for Go, C#, and Java/Kotlin.

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Artificial Intelligence

Libraries for building programs that leverage AI.

• AegisFlow - AI gateway for routing, securing, and monitoring LLM traffic across 10+ providers. OpenAI-compatible API, WASM policy plugins, canary rollouts, real-time dashboard.
• Aetheris - AI Agent execution runtime with event sourcing, checkpoint recovery, and At-Most-Once execution guarantee. Written in Go.
• agent-sdk-go - Go SDK for building durable AI agents on Temporal with support for tools, MCP, human approvals, and sub-agent delegation.
• ai - A Go toolkit for building AI agents and applications across multiple providers with unified LLM, embeddings, tool calling, and MCP integration.
• chromem-go - Embeddable vector database for Go with Chroma-like interface and zero third-party dependencies. In-memory with optional persistence.
• dakera-go - Official Go client SDK for the Dakera self-hosted agent memory server, providing typed interfaces for memory store/recall, session management, namespace operations, and decay configuration.
• fun - The simplest but powerful way to use large language models (LLMs) in Go.
• goai - Go SDK for building AI applications. One SDK, 20+ providers. Inspired by Vercel AI SDK.
• GoModel - AI gateway exposing a unified OpenAI-compatible API across OpenAI, Anthropic, Gemini, Groq, xAI, Ollama and other providers, with routing, usage tracking, rate limits, and guardrails.
• hotplex - AI Agent runtime engine with long-lived sessions for Claude Code, OpenCode, pi-mono and other CLI AI tools. Provides full-duplex streaming, multi-platform integrations, and secure sandbox.
• jargo - Framework for building real-time voice AI agents over WebRTC, wiring speech-to-text, LLMs, and text-to-speech into a streaming pipeline.
• keen-code - A context-efficient terminal-based AI coding agent. Provider agnostic, supports MCPs, Agent Skills, Subagents, and more. Comes with a simple and straightforward TUI.
• langchaingo - LangChainGo is a framework for developing applications powered by language models.
• langgraphgo - A Go library for building stateful, multi-actor applications with LLMs, built on the concept of LangGraph，with a lot of builtin Agent architectures.
• llm-box - Terminal-based AI workflow engine with YAML-driven pipelines, 20+ LLM providers (DeepSeek, Qwen, GLM, Mistral, etc.), and a TUI for workflow management.
• LocalAI - Open Source OpenAI alternative, self-host AI models.
• localaik - LocalStack-style local emulation of OpenAI and Gemini APIs; single Docker container, llama.cpp + Gemma 3 backend.
• mcp-go - Go implementation of the Model Context Protocol for building MCP servers and clients in Go.
• Ollama - Run large language models locally.
• OllamaFarm - Manage, load-balance, and failover packs of Ollamas.
• otellix - OpenTelemetry-native LLM observability and budget guardrails for cost-constrained production environments.
• routex - YAML-driven multi-agent AI runtime for Go with Erlang-style supervision, MCP tool server support, and a CLI.
• semantic-search - Meaning-based search over PDF, Markdown, DOCX, source code, and other file types, using generative AI embedding models to vectorize files into a vector database.
• skillreaper - CLI that scans AI agent session transcripts to identify and safely quarantine unused skills, MCP servers, and agents across Claude Code, Codex CLI, Hermes, OpenCode, Cursor, and OpenClaw.
• Smeldr - AI-native content backend with typed lifecycle management, native MCP tools for every content type, and zero runtime dependencies.
• trpc-agent-go - Framework for building LLM-based multi-agent systems.
• web-researcher-mcp - MCP server providing AI assistants with web search, content extraction, and multi-source research capabilities. Single binary, 5 search providers with circuit-breaker failover, 4-tier scraping pipeline.
• zenflow - Multi-agent orchestration & workflow engine. Declarative YAML workflows, LLM coordinator with hub-and-spoke mailboxes, race-safe delivery. One YAML file, one Go binary. Runs on any goai-supported provider.

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Audio and Music

Libraries for manipulating audio and music.

• beep - A simple library for playback and audio manipulation.
• flac - Native Go FLAC encoder/decoder with support for FLAC streams.
• gaad - Native Go AAC bitstream parser.
• go-mpris - Client for mpris dbus interfaces.
• go-resample - Pure-Go (no cgo) audio sample-rate converter with sinc, linear, and zero-order-hold converters.
• GoAudio - Native Go Audio Processing Library.
• gosamplerate - libsamplerate bindings for go.
• id3v2 - ID3 decoding and encoding library for Go.
• malgo - Mini audio library.
• minimp3 - Lightweight MP3 decoder library.
• music-theory - Music theory models in Go.
• Oto - A low-level library to play sound on multiple platforms.
• PortAudio - Go bindings for the PortAudio audio I/O library. -voxrai-ai - AI voice agents with a JSON configuration, STT → LLM → TTS pipelines over WebSocket and WebRTC

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Authentication and Authorization

Libraries for implementing authentication and authorization.

• authboss - Modular authentication system for the web. It tries to remove as much boilerplate and "hard things" as possible so that each time you start a new web project in Go, you can plug it in, configure it, and start building your app without having to build an authentication system each time.
• authgate - A lightweight OAuth 2.0 Authorization Server supporting Device Authorization Grant (RFC 8628), Authorization Code Flow with PKCE (RFC 6749 + RFC 7636), and Client Credentials Grant for machine-to-machine authentication.
• branca - branca token specification implementation for Golang 1.15+.
• casbin - Authorization library that supports access control models like ACL, RBAC, and ABAC.
• cookiestxt - provides a parser of cookies.txt file format.
• go-githubauth - Utilities for GitHub authentication: generate and use GitHub application and installation tokens.
• go-guardian - Go-Guardian is a golang library that provides a simple, clean, and idiomatic way to create powerful modern API and web authentication that supports LDAP, Basic, Bearer token, and Certificate based authentication.
• go-iam - Developer-first Identity and Access Management system with a simple UI.
• go-jose - Fairly complete implementation of the JOSE working group's JSON Web Token, JSON Web Signatures, and JSON Web Encryption specs.
• go-jwt - A JWT (JSON Web Token) library for Go.
• go-jwt - JWT authentication package providing access tokens and refresh tokens with fingerprinting, Redis storage, and automatic refresh capabilities.
• goiabada - An open-source authentication and authorization server supporting OAuth2 and OpenID Connect.
• gologin - chainable handlers for login with OAuth1 and OAuth2 authentication providers.
• gorbac - provides a lightweight role-based access control (RBAC) implementation in Golang.
• gosession - This is quick session for net/http in GoLang. This package is perhaps the best implementation of the session mechanism, or at least it tries to become one.
• goth - provides a simple, clean, and idiomatic way to use OAuth and OAuth2. Handles multiple providers out of the box.
• jeff - Simple, flexible, secure, and idiomatic web session management with pluggable backends.
• jwt - Lightweight JSON Web Token (JWT) library.
• jwt - Safe, simple, and fast JSON Web Tokens for Go.
• jwt-auth - JWT middleware for Golang http servers with many configuration options.
• jwt-go - A full featured implementation of JSON Web Tokens (JWT). This library supports the parsing and verification as well as the generation and signing of JWTs.
• jwx - Go module implementing various JWx (JWA/JWE/JWK/JWS/JWT, otherwise known as JOSE) technologies.
• keto - Open Source (Go) implementation of "Zanzibar: Google's Consistent, Global Authorization System". Ships gRPC, REST APIs, newSQL, and an easy and granular permission language. Supports ACL, RBAC, and other access models.
• loginsrv - JWT login microservice with pluggable backends such as OAuth2 (Github), htpasswd, osiam.
• oauth2 - Successor of goauth2. Generic OAuth 2.0 package that comes with JWT, Google APIs, Compute Engine, and App Engine support.
• oidc - Easy to use OpenID Connect client and server library written for Go and certified by the OpenID Foundation.
• openfga - Implementation of fine-grained authorization based on the "Zanzibar: Google's Consistent, Global Authorization System" paper. Backed by CNCF.
• osin - Golang OAuth2 server library.
• otpgen - Library to generate TOTP/HOTP codes.
• otpgo - Time-Based One-Time Password (TOTP) and HMAC-Based One-Time Password (HOTP) library for Go.
• paseto - Golang implementation of Platform-Agnostic Security Tokens (PASETO).
• permissions - Library for keeping track of users, login states, and permissions. Uses secure cookies and bcrypt.
• scope - Easily Manage OAuth2 Scopes In Go.
• scs - Session Manager for HTTP servers.
• securecookie - Efficient secure cookie encoding/decoding.
• session - Go session management for web servers (including support for Google App Engine - GAE).
• sessions - Dead simple, highly performant, highly customizable sessions service for go http servers.
• sessionup - Simple, yet effective HTTP session management and identification package.
• sjwt - Simple jwt generator and parser.
• spicedb - A Zanzibar-inspired database that enables fine-grained authorization.
• x509proxy - Library to handle X509 proxy certificates.

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Blockchain

Tools for building blockchains.

• cometbft - A distributed, Byzantine fault-tolerant, deterministic state machine replication engine. It is a fork of Tendermint Core and implements the Tendermint consensus algorithm.
• cosmos-sdk - A Framework for Building Public Blockchains in the Cosmos Ecosystem.
• gno - A comprehensive smart contract suite built with Golang and Gnolang, a deterministic, purpose-built Go variant for blockchains.
• go-ethereum - Official Go implementation of the Ethereum protocol.
• gosemble - A Go-based framework for building Polkadot/Substrate-compatible runtimes.
• gossamer - A Go implementation of the Polkadot Host.
• kubo - An IPFS implementation in Go. It provides content-addressable storage which can be used for decentralized storage in DApps. It is based on the IPFS protocol.
• lnd - A complete implementation of a Lightning Network node.
• nview - Local monitoring tool for a Cardano Node. It's a TUI (terminal user interface) designed to fit most screens.
• pactus - A full-node implementation of the Pactus blockchain in Go.
• solana-go - Go library to interface with Solana JSON RPC and WebSocket interfaces.
• tendermint - High-performance middleware for transforming a state machine written in any programming language into a Byzantine Fault Tolerant replicated state machine using the Tendermint consensus and blockchain protocols.
• tronlib - A comprehensive, production-ready Go SDK for interacting with the TRON blockchain with TRC20 token support.

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Bot Building

Libraries for building and working with bots.

• arikawa - A library and framework for the Discord API.
• bot - Zero-dependencies Telegram Bot library with additional UI components.
• echotron - An elegant and concurrent library for Telegram Bots in Go.
• go-joe - A general-purpose bot library inspired by Hubot but written in Go.
• go-sarah - Framework to build a bot for desired chat services including LINE, Slack, Gitter, and more.
• go-tg - Generated from official docs Go client library for accessing Telegram Bot API, with batteries for building complex bots included.
• go-twitch-irc - Library to write bots for twitch.tv chat
• micha - Go Library for Telegram bot api.
• slack-bot - Ready to use Slack Bot for lazy developers: Custom commands, Jenkins, Jira, Bitbucket, Github...
• slacker - Easy to use framework to create Slack bots.
• telebot - Telegram bot framework is written in Go.
• telego - Telegram Bot API library for Golang with full one-to-one API implementation.
• telegram-bot-api - Simple and clean Telegram bot client.
• TG - Telegram Bot Framework for Go.
• wayback - A bot for Telegram, Mastodon, Slack, and other messaging platforms archives webpages.
• ymsdk - Go SDK for Yandex Messenger Bot API with type-safe models, automatic retry, and rate-limit handling.
  • Wisp - Event-driven trading framework for Go. Spot, perpetual futures, prediction markets. Multi-exchange (Bybit, Hyperliquid, Polymarket).

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Build Automation

Libraries and tools help with build automation.

• 1build - Command line tool to frictionlessly manage project-specific commands.
• air - Air - Live reload for Go apps.
• anko - Simple application watcher for multiple programming languages.
• gaper - Builds and restarts a Go project when it crashes or some watched file changes.
• gilbert - Build system and task runner for Go projects.
• gob - Gradle/Maven like build tool for Go projects.
• goyek - Create build pipelines in Go.
• mage - Mage is a make/rake-like build tool using Go.
• mmake - Modern Make.
• realize - Go build a system with file watchers and live to reload. Run, build and watch file changes with custom paths.
• rex - Zero-config universal project runner. Detects your stack (Go, Node, Python, Rust, PHP, Zig, Elixir) and runs the right command.
• Task - simple "Make" alternative.
• taskctl - Concurrent task runner.
• xc - Task runner with README.md defined tasks, executable markdown.

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Command Line

Advanced Console UIs

Libraries for building Console Applications and Console User Interfaces.

• asciigraph - Go package to make lightweight ASCII line graph ╭┈╯ in command line apps with no other dependencies.
• aurora - ANSI terminal colors that support fmt.Printf/Sprintf.
• box-cli-maker - Render highly customizable boxes in the terminal.
• bubble-table - An interactive table component for bubbletea.
• bubbles - TUI components for bubbletea.
• bubbletea - Go framework to build terminal apps, based on The Elm Architecture.
• chroma16 - Generate a harmonious 16-color terminal palette from a single seed color or string.
• crab-config-files-templating - Dynamic configuration file templating tool for kubernetes manifest or general configuration files.
• ctc - The non-invasive cross-platform terminal color library does not need to modify the Print method.
• fx - Terminal JSON viewer & processor.
• go-ataman - Go library for rendering ANSI colored text templates in terminals.
• go-colorable - Colorable writer for windows.
• go-colortext - Go library for color output in terminals.
• go-isatty - isatty for golang.
• go-palette - Go library that provides elegant and convenient style definitions using ANSI colors. Fully compatible & wraps the fmt library for nice terminal layouts.
• go-prompt - Library for building a powerful interactive prompt, inspired by python-prompt-toolkit.
• go-tui - A declarative terminal UI framework with templ-like templates, flexbox layout, and a language server for editor support.
• gocui - Minimalist Go library aimed at creating Console User Interfaces.
• gommon/color - Style terminal text.
• gookit/color - Terminal color rendering tool library, support 16 colors, 256 colors, RGB color rendering output, compatible with Windows.
• goscaf - goscaf generates opinionated, production-quality Go project boilerplate via an interactive CLI. Stop copy-pasting skeleton code between projects.
• lazyenv - TUI for browsing, comparing, and editing .env files.
• lipgloss - Declaratively define styles for color, format and layout in the terminal.
• loom - Signal-based reactive components framework for building TUIs.
• marker - Easiest way to match and mark strings for colorful terminal outputs.
• mpb - Multi progress bar for terminal applications.
• phoenix - High-performance TUI framework with Elm-inspired architecture, perfect Unicode rendering, and zero-allocation event system.
• progressbar - Basic thread-safe progress bar that works in every OS.
• pterm - A library to beautify console output on every platform with many combinable components.
• simpletable - Simple tables in a terminal with Go.
• spinner - Go package to easily provide a terminal spinner with options.
• tabby - A tiny library for super simple Golang tables.
• table - Small library for terminal color based tables.
• termbox-go - Termbox is a library for creating cross-platform text-based interfaces.
• termdash - Go terminal dashboard based on termbox-go and inspired by termui.
• termenv - Advanced ANSI style & color support for your terminal applications.
• termui - Go terminal dashboard based on termbox-go and inspired by blessed-contrib.
• uilive - Library for updating terminal output in real time.
• uiprogress - Flexible library to render progress bars in terminal applications.
• uitable - Library to improve readability in terminal apps using tabular data.
• vhs - Your CLI home video recorder - generate terminal GIFs from code for documentation and tutorials.
• yacspin - Yet Another CLi Spinner package, for working with terminal spinners.

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Standard CLI

Libraries for building standard or basic Command Line applications.

• acmd - Simple, useful, and opinionated CLI package in Go.
• argparse - Command line argument parser inspired by Python's argparse module.
• argv - Go library to split command line string as arguments array using the bash syntax.
• boa - Declarative flags, env vars, validation, and config files from struct tags. Built on cobra.
• carapace - Command argument completion generator for spf13/cobra.
• carapace-bin - Multi-shell multi-command argument completer.
• carapace-spec - Define simple completions using a spec file.
• climax - Alternative CLI with "human face", in spirit of Go command.
• clîr - A Simple and Clear CLI library. Dependency free.
• cmd - Extends the standard flag package to support sub commands and more in idiomatic way.
• cmdr - A POSIX/GNU style, getopt-like command-line UI Go library.
• cobra - Commander for modern Go CLI interactions.
• command-chain - A go library for configure and run command chains - such as pipelining in unix shells.
• commandeer - Dev-friendly CLI apps: sets up flags, defaults, and usage based on struct fields and tags.
• complete - Write bash completions in Go + Go command bash completion.
• console Closed-loop application library for Cobra commands, with oh-my-posh prompts, and more.
• Dnote - A simple command line notebook with multi-device sync.
• elvish - An expressive programming language and a versatile interactive shell.
• env - Tag-based environment configuration for structs.
• flaggy - A robust and idiomatic flags package with excellent subcommand support.
• flagvar - A collection of flag argument types for Go's standard flag package.
• flash-flags - Ultra-fast, zero-dependency, POSIX-compliant flag parsing library that can be used as drop-in stdlib replacement with security hardening.
• getopt - An accurate Go getopt, validated against the GNU libc implementation.
• go-arch - CLI tool for scaffolding Go applications with Minimalist, Standard, and Hexagonal architecture patterns.
• go-arg - Struct-based argument parsing in Go.
• go-flags - go command line option parser.
• go-getoptions - Go option parser inspired by the flexibility of Perl’s GetOpt::Long.
• go-readline-ny - A customizable line-editing library with Emacs keybindings, Unicode support, completion, and syntax highlighting. Used in NYAGOS shell.
• gocmd - Go library for building command line applications.
• goopt - A declarative, struct-tag based CLI framework for Go, with a broad feature set such as hierarchical commands/flags, i18n, shell completion, and validation.
• hashicorp/cli - Go library for implementing command-line interfaces.
• hiboot cli - cli application framework with auto configuration and dependency injection.
• job - JOB, make your short-term command as a long-term job.
• kingpin - Command line and flag parser supporting sub commands (superseded by kong; see below).
• liner - Go readline-like library for command-line interfaces.
• mcli - A minimal but very powerful cli library for Go.
• memsh - Virtual bash shell in Go: executes shell commands against an in-memory filesystem (afero), with WASM plugin support and an embeddable HTTP server.
• mkideal/cli - Feature-rich and easy to use command-line package based on golang struct tags.
• mow.cli - Go library for building CLI applications with sophisticated flag and argument parsing and validation.
• neuron-cli - A local-first, Obsidian-compatible terminal knowledge manager.
• OpenCLI - OpenAPI-style specification for CLIs; define your interface in a language-agnostic document to generate documentation and framework boilerplate code.
• ops - Unikernel Builder/Orchestrator.
• orpheus - CLI framework with security hardening, plugin storage system, and production observability features.
• pflag - Drop-in replacement for Go's flag package, implementing POSIX/GNU-style --flags.
• readline - Shell library with modern and easy to use UI features.
• sflags - Struct based flags generator for flag, urfave/cli, pflag, cobra, kingpin, and other libraries.
• structcli - Eliminate Cobra boilerplate: build powerful, feature-rich CLIs declaratively from Go structs.
• strumt - Library to create prompt chain.
• subcmd - Another approach to parsing and running subcommands. Works alongside the standard flag package.
• teris-io/cli - Simple and complete API for building command line interfaces in Go.
• urfave/cli - Simple, fast, and fun package for building command line apps in Go (formerly codegangsta/cli).
• version - Collects and displays CLI version information in multiple formats along with upgrade notice.
• wlog - Simple logging interface that supports cross-platform color and concurrency.
• wmenu - Easy to use menu structure for cli applications that prompt users to make choices.

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Configuration

Libraries for configuration parsing.

• aconfig - Simple, useful and opinionated config loader.
• argus - File watching and configuration management with MPSC ring buffer, adaptive batching strategies, and universal format parsing (JSON, YAML, TOML, INI, HCL, Properties).
• azureappconfiguration - The configuration provider for consuming data in Azure App Configuration from Go applications.
• bcl - BCL is a configuration language similar to HCL.
• cleanenv - Minimalistic configuration reader (from files, ENV, and wherever you want).
• config - Cloud native application configuration. Bind ENV to structs in only two lines.
• config - configure your app using file, environment variables, or flags in two lines of code.
• config - Struct-based configuration loader with a dedicated config file parser, supporting env vars, flags, defaults, and validation.
• configuration - Library for initializing configuration structs from env variables, files, flags and 'default' tag.
• configuro - opinionated configuration loading & validation framework from ENV and Files focused towards 12-Factor compliant applications.
• confiq - Structured data format to config struct decoder library for Go - supporting multiple data formats.
• confita - Load configuration in cascade from multiple backends into a struct.
• conflate - Library/tool to merge multiple JSON/YAML/TOML files from arbitrary URLs, validation against a JSON schema, and application of default values defined in the schema.
• enflag - Container-oriented, zero-dependency configuration library that unifies Env variable and Flag parsing. Uses generics for type safety, without reflection or struct tags.
• env - Parse environment variables to Go structs (with defaults).
• env - A lightweight package for loading environment variables into structs.
• env - An environment utility package with support for unmarshaling into structs.
• envconfig - Read your configuration from environment variables.
• envh - Helpers to manage environment variables.
• envyaml - Yaml with environment variables reader. it helps to have secrets as environment variable but load them configs as structured Yaml.
• fig - Tiny library for reading configuration from a file and from environment variables (with validation & defaults).
• genv - Read environment variables easily with dotenv support.
• go-array - A Go package that read or set data from map, slice or json.
• go-aws-ssm - Go package that fetches parameters from AWS System Manager - Parameter Store.
• go-cfg - The library provides a unified way to read configuration data into a structure from various sources, such as env, flags, and configuration files (.json, .yaml, .toml, .env).
• go-conf - Simple library for application configuration based on annotated structs. It supports reading the configuration from environment variables, config files and command line parameters.
• go-config - Simple and convenient library for working with app configurations.
• go-external-config - Spring-inspired configuration management library for Go.
• go-external-config/aws - AWS property source support for go-external-config.
• go-external-config/consul - Consul property source support for go-external-config.
• go-external-config/vault - Vault property source support for go-external-config.
• go-ini - A Go package that marshals and unmarshals INI-files.
• go-ssm-config - Go utility for loading configuration parameters from AWS SSM (Parameter Store).
• go-up - A simple configuration library with recursive placeholders resolution and no magic.
• GoCfg - Config manager with Struct Tags based contracts, custom value providers, parsers, and documentation generation. Customizable yet simple.
• goconfig - Populate Go structs from flags, environment variables, config.json and defaults with deterministic precedence. No extra dependencies.
• godotenv - Go port of Ruby's dotenv library (Loads environment variables from .env).
• goenv - Reads the ENV environment variable and reports whether the process is running in production or development.
• GoLobby/Config - GoLobby Config is a lightweight yet powerful configuration manager for the Go programming language.
• gone/jconf - Modular JSON configuration. Keep your config structs along with the code they configure and delegate parsing to submodules without sacrificing full config serialization.
• gonfig - Tag-based configuration parser which loads values from different providers into typesafe struct.
• gonfiguration - Loads configuration from environment variables into structs via reflection, with struct-tag defaults and required fields.
• gookit/config - application config manage(load,get,set). support JSON, YAML, TOML, INI, HCL. multi file load, data override merge.
• harvester - Harvester, a easy to use static and dynamic configuration package supporting seeding, env vars and Consul integration.
• hedzr/store - Extensible, high-performance configuration management library, optimized for hierarchical data.
• hjson - Human JSON, a configuration file format for humans. Relaxed syntax, fewer mistakes, more comments.
• hocon - Configuration library for working with the HOCON(a human-friendly JSON superset) format, supports features like environment variables, referencing other values, comments and multiple files.
• ini - Go package to read and write INI files.
• ini - INI Parser & Write Library, Unmarshal to Struct, Marshal to Json, Write File, watch file.
• kelseyhightower/envconfig - Go library for managing configuration data from environment variables.
• koanf - Light weight, extensible library for reading config in Go applications. Built in support for JSON, TOML, YAML, env, command line.
• konf - The simplest API for reading/watching config from file, env, flag and clouds (e.g. AWS, Azure, GCP).
• konfig - Composable, observable and performant config handling for Go for the distributed processing era.
• kong - Command-line parser with support for arbitrarily complex command-line structures and additional sources of configuration such as YAML, JSON, TOML, etc (successor to kingpin).
• nasermirzaei89/env - Simple useful package for read environment variables.
• nfigure - Per-library struct-tag based configuration from command lines (Posix & Go-style); environment, JSON, YAML
• onion - Layer based configuration for Go, Supports JSON, TOML, YAML, properties, etcd, env, and encryption using PGP.
• piper - Viper wrapper with config inheritance and key generation.
• sonic - A blazingly fast JSON serializing & deserializing library.
• swap - Instantiate/configure structs recursively, based on build environment. (YAML, TOML, JSON and env).
• typenv - Minimalistic, zero dependency, typed environment variables library.
• uConfig - Lightweight, zero-dependency, and extendable configuration management.
• viper - Go configuration with fangs.
• xdg - Go implementation of the XDG Base Directory Specification and XDG user directories.
• yamagiconf - The "safe subset" of YAML for Go configs.
• zerocfg - Zero-effort, concise configuration management that avoids boilerplate and repetitive code, supports multiple sources with priority overrides.

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Continuous Integration

Tools for help with continuous integration.

• abstruse - Abstruse is a distributed CI platform.
• Bencher - A suite of continuous benchmarking tools designed to catch performance regressions in CI.
• CDS - Enterprise-Grade CI/CD and DevOps Automation Open Source Platform.
• dot - A minimal, local first continuous integration system that uses Docker to run jobs concurrently in stages.
• drone - Drone is a Continuous Integration platform built on Docker, written in Go.
• go-beautiful-html-coverage - A GitHub Action to track code coverage in your pull requests, with a beautiful HTML preview, for free.
• go-fuzz-action - Use Go 1.18's built-in fuzz testing in GitHub Actions.
• go-semver-release - Automate the semantic versioning of Git repositories.
• go-test-coverage - A GitHub Action which reports issues when test coverage is below set threshold.
• gomason - Test, Build, Sign, and Publish your go binaries from a clean workspace.
• gotestfmt - go test output for humans.
• goveralls - Go integration for Coveralls.io continuous code coverage tracking system.
• muffet - Fast website link checker in Go, see alternatives.
• overalls - Multi-Package go project coverprofile for tools like goveralls.
• PikoCI - Self-hosted CI/CD inspired by Concourse. Single binary, any database, any queue. HCL pipelines, pluggable resource types and runners.
• roveralls - Recursive coverage testing tool.
• woodpecker - Woodpecker is a community fork of the Drone CI system.

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CSS Preprocessors

Libraries for preprocessing CSS files.

• go-css - A very simple CSS parser, written in Go.
• go-libsass - Go wrapper to the 100% Sass compatible libsass project.

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Data Integration Frameworks

Frameworks for performing ELT / ETL

• Benthos - A message streaming bridge between a range of protocols.
• CloudQuery - A high-performance ELT data integration framework with pluggable architecture.
• confluence2md - Confluence to Markdown crawler and converter.
• omniparser - A versatile ETL library that parses text input (CSV/txt/JSON/XML/EDI/X12/EDIFACT/etc) in streaming fashion and transforms data into JSON output using data-driven schema.

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Data Structures and Algorithms

Bit-packing and Compression

• bingo - Fast, zero-allocation, lexicographical-order-preserving packing of native types to bytes.
• binpacker - Binary packer and unpacker helps user build custom binary stream.
• bit - Golang set data structure with bonus bit-twiddling functions.
• crunch - Go package implementing buffers for handling various datatypes easily.
• go-ef - A Go implementation of the Elias-Fano encoding.
• roaring - Go package implementing compressed bitsets.

Bit Sets

• bitmap - Dense, zero-allocation, SIMD-enabled bitmap/bitset in Go.
• bitset - Go package implementing bitsets.

Bloom and Cuckoo Filters

• bloom - Go package implementing Bloom filters.
• bloom - Bloom filters implemented in Go.
• bloom - Golang Bloom filter implementation.
• bloomfilter - Yet another Bloomfilter implementation in Go, compatible with Java's Guava library.
• boomfilters - Probabilistic data structures for processing continuous, unbounded streams.
• cuckoo-filter - Cuckoo filter: a comprehensive cuckoo filter, which is configurable and space optimized compared with other implements, and all features mentioned in original paper are available.
• cuckoofilter - Cuckoo filter: a good alternative to a counting bloom filter implemented in Go.
• ribbonGo - First pure Go implementation of Ribbon filters (practically smaller than Bloom and Xor) for space-efficient approximate set membership queries.
• ring - Go implementation of a high performance, thread safe bloom filter.

Data Structure and Algorithm Collections

• algorithms - Algorithms and data structures.CLRS study.
• go-datastructures - Collection of useful, performant, and thread-safe data structures.
• gods - Go Data Structures. Containers, Sets, Lists, Stacks, Maps, BidiMaps, Trees, HashSet etc.
• gostl - Data structure and algorithm library for go, designed to provide functions similar to C++ STL.

Iterators

• gloop - Convenient looping using Go's range-over-func feature.
• goterator - Iterator implementation to provide map and reduce functionalities.
• iter - Go implementation of C++ STL iterators and algorithms.

Maps

See also Database for more complex key-value stores, and Trees for additional ordered map implementations.

• cmap - a thread-safe concurrent map for go, support using interface{} as key and auto scale up shards.
• concurrent-swiss-map - A high-performance, thread-safe generic concurrent hash map implementation with Swiss Map.
• dict - Python-like dictionaries (dict) for Go.
• genericsyncmap - Type-safe generic wrapper for sync.Map with full method parity and zero dependencies.
• go-shelve - A persistent, map-like object for the Go programming language. Supports multiple embedded key-value stores.
• goradd/maps - Go 1.18+ generic map interface for maps; safe maps; ordered maps; ordered, safe maps; etc.
• hmap - HMap is a concurrent and secure, generic support Map implementation designed to provide an easy-to-use API.

Miscellaneous Data Structures and Algorithms

• combo - Combinatorial operations including permutations, combinations, and combinations-with-replacement.
• concurrent-writer - Highly concurrent drop-in replacement for bufio.Writer.
• count-min-log - Go implementation Count-Min-Log sketch: Approximately counting with approximate counters (Like Count-Min sketch but using less memory).
• FSM - FSM for Go.
• fsm - Finite-State Machine package.
• genfuncs - Go 1.18+ generics package inspired by Kotlin's Sequence and Map.
• go-generics - Generic slice, map, set, iterator, and goroutine utilities.
• go-geoindex - In-memory geo index.
• go-rampart - Determine how intervals relate to each other.
• go-rquad - Region quadtrees with efficient point location and neighbour finding.
• go-tuple - Generic tuple implementation for Go 1.18+.
• go18ds - Go Data Structures using Go 1.18 generics.
• gofal - fractional api for Go.
• gogu - A comprehensive, reusable and efficient concurrent-safe generics utility functions and data structures library.
• gota - Implementation of dataframes, series, and data wrangling methods for Go.
• hide - ID type with marshalling to/from hash to prevent sending IDs to clients.
• hyperloglog - HyperLogLog implementation with Sparse, LogLog-Beta bias correction and TailCut space reduction.
• quadtree - Generic, zero-alloc, 100%-test covered quadtree.
• slices - Pure, generic functions for slices.

Nullable Types

• nan - Zero allocation Nullable structures in one library with handy conversion functions, marshallers and unmarshallers.
• null - Nullable Go types that can be marshalled/unmarshalled to/from JSON.
• typ - Null Types, Safe primitive type conversion and fetching value from complex structures.

Queues

• deheap - Doubly-ended heap (min-max heap) with O(log n) access to both minimum and maximum elements.
• deque - A highly optimized double-ended queue.
• deque - Fast ring-buffer deque (double-ended queue).
• dqueue - Simple, in memory, zero dependency and battle tested, thread-safe deferred queue.
• goconcurrentqueue - Concurrent FIFO queue.
• hatchet - Distributed, Fault-tolerant task queue.
• list - A generic, thread-safe doubly linked list with full iterator support and an intrusive singly linked list for embedded use; a feature-rich replacement for container/list.
• memlog - An easy to use, lightweight, thread-safe and append-only in-memory data structure inspired by Apache Kafka.
• queue - Multiple thread-safe, generic queue implementations for Go.

Sets

• dsu - Disjoint Set data structure implementation in Go.
• golang-set - Thread-Safe and Non-Thread-Safe high-performance sets for Go.
• goset - A useful Set collection implementation for Go.
• set - Simple set data structure implementation in Go using LinkedHashMap.

Text Analysis

• bleve - Modern text indexing library for go.
• go-adaptive-radix-tree - Go implementation of Adaptive Radix Tree.
• go-edlib - Go string comparison and edit distance algorithms library (Levenshtein, LCS, Hamming, Damerau levenshtein, Jaro-Winkler, etc.) compatible with Unicode.
• levenshtein - Levenshtein distance and similarity metrics with customizable edit costs and Winkler-like bonus for common prefix.
• levenshtein - Implementation to calculate levenshtein distance in Go.
• mspm - Multi-String Pattern Matching Algorithm for information retrieval.
• parsefields - Tools for parse JSON-like logs for collecting unique fields and events.
• ptrie - An implementation of prefix tree.
• radixtree - Adaptive radix tree (prefix-tree or compact-trie).
• trie - Trie implementation in Go.

Trees

• graphlib - Topological sort lib,Sorting and pruning of DAG graphs.
• hashsplit - Split byte streams into chunks, and arrange chunks into trees, with boundaries determined by content, not position.
• merkle - Space-efficient computation of Merkle root hashes and inclusion proofs.
• skiplist - Very fast Go Skiplist implementation.
• skiplist - Skiplist implementation in Go.
• treemap - Generic key-sorted map using a red-black tree under the hood.

Pipes

• ordered-concurrently - Go module that processes work concurrently and returns output in a channel in the order of input.
• parapipe - FIFO Pipeline which parallels execution on each stage while maintaining the order of messages and results.
• pipeline - An implementation of pipelines with fan-in and fan-out.
• pipelines - Generic pipeline functions for concurrent processing.

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Database

Caches

Data stores with expiring records, in-memory distributed data stores, or in-memory subsets of file-based databases.

• bcache - Eventually consistent distributed in-memory cache Go library.
• BigCache - Efficient key/value cache for gigabytes of data.
• cache2go - In-memory key:value cache which supports automatic invalidation based on timeouts.
• cachego - Golang Cache component for multiple drivers.
• clusteredBigCache - BigCache with clustering support and individual item expiration.
• coherence-go-client - Full implementation of Oracle Coherence cache API for Go applications using gRPC as network transport.
• couchcache - RESTful caching micro-service backed by Couchbase server.
• EchoVault - Embeddable Distributed in-memory data store compatible with Redis clients.
• fastcache - fast thread-safe inmemory cache for big number of entries. Minimizes GC overhead.
• GCache - Cache library with support for expirable Cache, LFU, LRU and ARC.
• gdcache - A pure non-intrusive cache library implemented by golang, you can use it to implement your own distributed cache.
• go-cache - A flexible multi-layer Go caching library to deal with in-memory and shared cache by adopting Cache-Aside pattern.
• go-freelru A GC-less, fast and generic LRU hashmap library with optional locking, sharding, eviction and expiration.
• go-gcache - The generic version of GCache, cache support for expirable Cache, LFU, LRU and ARC.
• go-mcache - Fast in-memory key:value store/cache library. Pointer caches.
• gocache - A complete Go cache library with multiple stores (memory, memcache, redis, ...), chainable, loadable, metrics cache and more.
• gocache - A data race free Go ache library with high performance and auto pruge functionality
• groupcache - Groupcache is a caching and cache-filling library, intended as a replacement for memcached in many cases.
• icache - A High Performance, Generic, thread-safe, zero-dependency cache package.
• imcache - A generic in-memory cache Go library. It supports expiration, sliding expiration, max entries limit, eviction callbacks and sharding.
• jetcache-go - Unified Go cache library supporting multi-level caching.
• nscache - A Go caching framework that supports multiple data source drivers.
• otter - A high performance lockless cache for Go. Many times faster than Ristretto and friends.
• pocache - Pocache is a minimal cache package which focuses on a preemptive optimistic caching strategy.
• ristretto - A high performance memory-bound Go cache.
• sturdyc - A caching library with advanced concurrency features designed to make I/O heavy applications robust and highly performant.
• theine - High performance, near optimal in-memory cache with proactive TTL expiration and generics.
• timedmap - Map with expiring key-value pairs.
• ttlcache - An in-memory cache with item expiration and generics.
• ttlcache - In-memory key value storage with TTL for each record.

Databases Implemented in Go

• badger - Fast key-value store in Go.
• bbolt - An embedded key/value database for Go.
• Bitcask - Bitcask is an embeddable, persistent and fast key-value (KV) database written in pure Go with predictable read/write performance, low latency and high throughput thanks to the bitcask on-disk layout (LSM+WAL).
• buntdb - Fast, embeddable, in-memory key/value database for Go with custom indexing and spatial support.
• clover - A lightweight document-oriented NoSQL database written in pure Golang.
• cockroach - Scalable, Geo-Replicated, Transactional Datastore.
• Coffer - Simple ACID key-value database that supports transactions.
• column - High-performance, columnar, embeddable in-memory store with bitmap indexing and transactions.
• CovenantSQL - CovenantSQL is a SQL database on blockchain.
• Databunker - Personally identifiable information (PII) storage service built to comply with GDPR and CCPA.
• dgraph - Scalable, Distributed, Low Latency, High Throughput Graph Database.
• DiceDB - An open-source, fast, reactive, in-memory database optimized for modern hardware. Higher throughput and lower median latencies, making it ideal for modern workloads.
• diskv - Home-grown disk-backed key-value store.
• dolt - Dolt – It's Git for Data.
• eliasdb - Dependency-free, transactional graph database with REST API, phrase search and SQL-like query language.
• gedb - MongoDB-like embedded database, written in pure-go. Supports indexing and complex queries.
• go-sqlite – A Pure Golang implemented SQLite driver without CGO.
• godis - A Golang implemented high-performance Redis server and cluster.
• goleveldb - Implementation of the LevelDB key/value database in Go.
• hare - A simple database management system that stores each table as a text file of line-delimited JSON.
• immudb - immudb is a lightweight, high-speed immutable database for systems and applications written in Go.
• influxdb - Scalable datastore for metrics, events, and real-time analytics.
• ledisdb - Ledisdb is a high performance NoSQL like Redis based on LevelDB.
• levigo - Levigo is a Go wrapper for LevelDB.
• libradb - LibraDB is a simple database with less than 1000 lines of code for learning.
• LinDB - LinDB is a scalable, high performance, high availability distributed time series database.
• lotusdb - Fast k/v database compatible with lsm and b+tree.
• lynxdb - Lightweight columnar log analytics database with a pipe-style query language inspired by SPL.
• MemHop - Embedded cognitive memory database for AI agents. Six-layer architecture (L0-L5), Dream consolidation pipeline, three-channel RRF retrieval (BM25 + f16 vector + entity), single .meh file, pure Go, zero infrastructure.
• Milvus - Milvus is a vector database for embedding management, analytics and search.
• minisql - Embedded single file SQL database.
• moss - Moss is a simple LSM key-value storage engine written in 100% Go.
• nanotdb - A lightweight, zero-dependency, append-only Time-Series Database and Dashboard optimized for low-power hardware.
• NoKV - Native metadata service for distributed filesystems, object storage, and AI dataset workloads.
• NornicDB - High performance graph + vector database (Neo4j and qDrant compatible), focused on low latency graph-rag retreival for AI systems.
• nutsdb - Nutsdb is a simple, fast, embeddable, persistent key/value store written in pure Go. It supports fully serializable transactions and many data structures such as list, set, sorted set.
• objectbox-go - High-performance embedded Object Database (NoSQL) with Go API.
• pebble - RocksDB/LevelDB inspired key-value database in Go.
• piladb - Lightweight RESTful database engine based on stack data structures.
• pogreb - Embedded key-value store for read-heavy workloads.
• prometheus - Monitoring system and time series database.
• pudge - Fast and simple key/value store written using Go's standard library.
• redka - Redis re-implemented with SQLite.
• rosedb - An embedded k-v database based on LSM+WAL, supports string, list, hash, set, zset.
• rotom - A tiny Redis server built with Golang, compatible with RESP protocols.
• rqlite - The lightweight, distributed, relational database built on SQLite.
• tempdb - Key-value store for temporary items.
• tidb - TiDB is a distributed SQL database. Inspired by the design of Google F1.
• tiedot - Your NoSQL database powered by Golang.
• unitdb - Fast timeseries database for IoT, realtime messaging applications. Access unitdb with pubsub over tcp or websocket using github.com/unit-io/unitd application.
• Vasto - A distributed high-performance key-value store. On Disk. Eventual consistent. HA. Able to grow or shrink without service interruption.
• VictoriaMetrics - fast, resource-effective and scalable open source time series database. May be used as long-term remote storage for Prometheus. Supports PromQL.

Database Schema Migration

• atlas - A Database Toolkit. A CLI designed to help companies better work with their data.
• avro - Discover SQL schemas and convert them to AVRO schemas. Query SQL records into AVRO bytes.
• bytebase - Safe database schema change and version control for DevOps teams.
• darwin - Database schema evolution library for Go.
• db-migrator.go - CLI for versioned database schema migrations with support for PostgreSQL, MySQL, ClickHouse, Tarantool, and Apache Iceberg.
• dbmate - A lightweight, framework-agnostic database migration tool.
• go-fixtures - Django style fixtures for Golang's excellent built-in database/sql library.
• go-pg-migrate - CLI-friendly package for go-pg migrations management.
• go-pg-migrations - A Go package to help write migrations with go-pg/pg.
• goavro - A Go package that encodes and decodes Avro data.
• godfish - Database migration manager, works with native query language. Support for cassandra, mysql, postgres, sqlite3.
• goose - Database migration tool. You can manage your database's evolution by creating incremental SQL or Go scripts.
• gorm-seeder - Simple database seeder for Gorm ORM.
• gormigrate - Database schema migration helper for Gorm ORM.
• libschema - Define your migrations separately in each library. Migrations for open source libraries. MySQL & PostgreSQL.
• migrate - Database migrations. CLI and Golang library.
• migrator - Dead simple Go database migration library.
• migrator - MySQL database migrator designed to run migrations to your features and manage database schema update with intuitive go code.
• schema - Library to embed schema migrations for database/sql-compatible databases inside your Go binaries.
• skeema - Pure-SQL schema management system for MySQL, with support for sharding and external online schema change tools.
• soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
• sql-migrate - Database migration tool. Allows embedding migrations into the application using go-bindata.
• sqlize - Database migration generator. Allows generate sql migration from model and existing sql by differ them.

Database Tools

• chproxy - HTTP proxy for ClickHouse database.
• clickhouse-bulk - Collects small inserts and sends big requests to ClickHouse servers.
• database-gateway - Running SQL in production with ACLs, logs, and shared links.
• dbbench - Database benchmarking tool with support for several databases and scripts.
• dg - A fast data generator that produces CSV files from generated relational data.
• filesql - Query CSV, TSV, LTSV, JSON, JSONL, Parquet, Excel, ACH, and Fedwire files with SQL through the database/sql API, backed by in-memory SQLite.
• gatewayd - Cloud-native database gateway and framework for building data-driven applications. Like API gateways, for databases.
• go-mysql - Go toolset to handle MySQL protocol and replication.
• go-postgres-s3-backup - Serverless PostgreSQL backups to S3 using AWS Lambda, with daily, monthly, and yearly rotation.
• gorm-multitenancy - Multi-tenancy support for GORM managed databases.
• GoSQLX - High-performance SQL parser, formatter, linter, and security scanner with multi-dialect support and WASM playground.
• hasql - Library for accessing multi-host SQL database installations.
• octillery - Go package for sharding databases ( Supports every ORM or raw SQL ).
• onedump - Database backup from different drivers to different destinations with one command and configuration.
• pg_timetable - Advanced scheduling for PostgreSQL.
• pgrwl - Cloud-native continuous backup for PostgreSQL.
• pgweb - Web-based PostgreSQL database browser.
• pgxcli - PostgreSQL CLI client written in Go, inspired by pgcli.
• prep - Use prepared SQL statements without changing your code.
• pREST - Simplify and accelerate development, ⚡ instant, realtime, high-performance on any Postgres application, existing or new.
• rdb - Redis RDB file parser for secondary development and memory analysis.
• rwdb - rwdb provides read replica capability for multiple database servers setup.
• sqly - Execute SQL against CSV, TSV, LTSV, JSON, Parquet, and Excel files in an interactive shell, backed by in-memory SQLite.
• vitess - vitess provides servers and tools which facilitate scaling of MySQL databases for large scale web services.
• wescale - WeScale is a database proxy designed to enhance the scalability, performance, security, and resilience of your applications.
• xsql - AI-first cross-database CLI tool with read-only protection and structured JSON output.

SQL Query Builders

Libraries for building and using SQL.

• bqb - Lightweight and easy to learn query builder.
• buildsqlx - Go database query builder library for PostgreSQL.
• builq - Easily build SQL queries in Go.
• dbq - Zero boilerplate database operations for Go.
• Dotsql - Go library that helps you keep sql files in one place and use them with ease.
• gendry - Non-invasive SQL builder and powerful data binder.
• godbal - Database Abstraction Layer (dbal) for go. Support SQL builder and get result easily.
• goqu - Idiomatic SQL builder and query library.
• gosql - SQL Query builder with better null values support.
• Hotcoal - Secure your handcrafted SQL against injection.
• igor - Abstraction layer for PostgreSQL that supports advanced functionality and uses gorm-like syntax.
• jet - Framework for writing type-safe SQL queries in Go, with ability to easily convert database query result into desired arbitrary object structure.
• obreron - Fast and cheap SQL builder which does only one thing, SQL building.
• ormlite - Lightweight package containing some ORM-like features and helpers for sqlite databases.
• ozzo-dbx - Powerful data retrieval methods as well as DB-agnostic query building capabilities.
• patcher - Powerful SQL Query builder that automatically generates SQL queries from structs.
• qrafter - Type-safe SQL query builder with dialect-aware rendering, schema introspection, and migration generation.
• qry - Tool that generates constants from files with raw SQL queries.
• relica - Type-safe database query builder with zero production dependencies, LRU statement cache, batch operations, and support for JOINs, subqueries, CTEs, and window functions.
• sg - A SQL Gen for generating standard SQLs(supports: CRUD) written in Go.
• sq - Type-safe SQL builder and struct mapper for Go.
• sqlc - Generate type-safe code from SQL.
• sqlf - Fast SQL query builder.
• sqlh - Zero-boilerplate SQL helper with struct tags and Go generics (CRUD, UPSERT, JOIN, benchmarks).
• sqlingo - A lightweight DSL to build SQL in Go.
• sqrl - SQL query builder, fork of Squirrel with improved performance.
• Squalus - Thin layer over the Go SQL package that makes it easier to perform queries.
• Squirrel - Go library that helps you build SQL queries.
• xo - Generate idiomatic Go code for databases based on existing schema definitions or custom queries supporting PostgreSQL, MySQL, SQLite, Oracle, and Microsoft SQL Server.

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Database Drivers

Interfaces to Multiple Backends

• cayley - Graph database with support for multiple backends.
• dsc - Datastore connectivity for SQL, NoSQL, structured files.
• dynamo - A simple key-value abstraction to store algebraic and linked-data data types at AWS storage services: AWS DynamoDB and AWS S3.
• go-transaction-manager - Transaction manager with multiple adapters (sql, sqlx, gorm, mongo, ...) controls transaction boundaries.
• gokv - Simple key-value store abstraction and implementations for Go (Redis, Consul, etcd, bbolt, BadgerDB, LevelDB, Memcached, DynamoDB, S3, PostgreSQL, MongoDB, CockroachDB and many more).
• transactor - Type-safe transaction boundary abstraction with adapters for database/sql, sqlx, and pgx.

Relational Database Drivers

• avatica - Apache Avatica/Phoenix SQL driver for database/sql.
• bgc - Datastore Connectivity for BigQuery for go.
• firebirdsql - Firebird RDBMS SQL driver for Go.
• go-adodb - Microsoft ActiveX Object DataBase driver for go that uses database/sql.
• go-mssqldb - Microsoft MSSQL driver for Go.
• go-oci8 - Oracle driver for go that uses database/sql.
• go-rqlite - A Go client for rqlite, providing easy-to-use abstractions for working with the rqlite API.
• go-sql-driver/mysql - MySQL driver for Go.
• go-sqlite3 - SQLite3 driver for go that uses database/sql.
• go-sqlite3 - This Go module is compatible with the database/sql driver. It allows embedding SQLite into your application, provides direct access to its C API, supports SQLite VFS, and also includes a GORM driver.
• godror - Oracle driver for Go, using the ODPI-C driver.
• gofreetds - Microsoft MSSQL driver. Go wrapper over FreeTDS.
• KSQL - A Simple and Powerful Golang SQL Library.
• pgx - PostgreSQL driver supporting features beyond those exposed by database/sql.
• pig - Simple pgx wrapper to execute and scan query results easily.
• pq - Pure Go Postgres driver for database/sql.
• Sqinn-Go - SQLite with pure Go.
• sqlhooks - Attach hooks to any database/sql driver.
• sqlite - Package sqlite is a sql/database driver using a CGo-free port of the C SQLite3 library.
• surrealdb.go - SurrealDB Driver for Go.
• ydb-go-sdk - native and database/sql driver YDB (Yandex Database).

NoSQL Database Drivers

• aerospike-client-go - Aerospike client in Go language.
• arangolite - Lightweight golang driver for ArangoDB.
• asc - Datastore Connectivity for Aerospike for go.
• forestdb - Go bindings for ForestDB.
• go-couchbase - Couchbase client in Go.
• go-mongox - A Go Mongo library based on the official driver, featuring streamlined document operations, generic binding of structs to collections, built-in CRUD, aggregation, automated field updates, struct validation, hooks, and plugin-based programming.
• go-pilosa - Go client library for Pilosa.
• go-rejson - Golang client for redislabs' ReJSON module using Redigo golang client. Store and manipulate structs as JSON objects in redis with ease.
• gocb - Official Couchbase Go SDK.
• gocosmos - REST client and standard database/sql driver for Azure Cosmos DB.
• gocql - Go language driver for Apache Cassandra.
• godis - redis client implement by golang, inspired by jedis.
• godscache - A wrapper for the Google Cloud Platform Go Datastore package that adds caching using memcached.
• gomemcache - memcache client library for the Go programming language.
• gomemcached - A binary Memcached client for Go with support for sharding using consistent hashing, along with SASL.
• gorethink - Go language driver for RethinkDB.
• goriak - Go language driver for Riak KV.
• Kivik - Kivik provides a common Go and GopherJS client library for CouchDB, PouchDB, and similar databases.
• mgm - MongoDB model-based ODM for Go (based on official MongoDB driver).
• mgo - (unmaintained) MongoDB driver for the Go language that implements a rich and well tested selection of features under a very simple API following standard Go idioms.
• mongo-go-driver - Official MongoDB driver for the Go language.
• neo4j - Neo4j Rest API Bindings for Golang.
• neoism - Neo4j client for Golang.
• qmgo - The MongoDB driver for Go. It‘s based on official MongoDB driver but easier to use like Mgo.
• redeo - Redis-protocol compatible TCP servers/services.
• redigo - Redigo is a Go client for the Redis database.
• redis - Redis client for Golang.
• rueidis - Fast Redis RESP3 client with auto pipelining and server-assisted client side caching.
• xredis - Typesafe, customizable, clean & easy to use Redis client.

Search and Analytic Databases

• clickhouse-go - ClickHouse SQL client for Go with a database/sql compatibility.
• effdsl - Elasticsearch query builder for Go.
• elastic - Elasticsearch client for Go.
• elasticsql - Convert sql to elasticsearch dsl in Go.
• elastigo - Elasticsearch client library.
• go-elasticsearch - Official Elasticsearch client for Go.
• goes - Library to interact with Elasticsearch.
• skizze - A probabilistic data structure service and storage.
• zoekt - Fast trigram based code search.

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Date and Time

Libraries for working with dates and times.

• approx - A Duration extension supporting parsing/printing durations in days, weeks and years.
• carbon - A simple, semantic and developer-friendly time package for golang.
• carbon - Simple Time extension with a lot of util methods, ported from PHP Carbon library.
• cronrange - Parses Cron-style time range expressions, checks if the given time is within any ranges.
• date - Augments Time for working with dates, date ranges, time spans, periods, and time-of-day.
• dateparse - Parse date's without knowing format in advance.
• durafmt - Time duration formatting library for Go.
• feiertage - Set of functions to calculate public holidays in Germany, incl. specialization on the states of Germany (Bundesländer). Things like Easter, Pentecost, Thanksgiving...
• go-anytime - Parse dates/times like "next dec 22nd at 3pm" and ranges like "from today until next thursday" without knowing the format in advance.
• go-date-fns - A comprehensive date utility library for Go, inspired by date-fns, with 140+ pure and immutable functions.
• go-datebin - A simple datetime parse pkg.
• go-faketime - A simple time.Now() that honors the faketime(1) utility.
• go-persian-calendar - The implementation of the Persian (Solar Hijri) Calendar in Go (golang).
• go-str2duration - Convert string to duration. Support time.Duration returned string and more.
• go-sunrise - Calculate the sunrise and sunset times for a given location.
• go-week - An efficient package to work with ISO8601 week dates.
• gostradamus - A Go package for working with dates.
• iso8601 - Efficiently parse ISO8601 date-times without regex.
• kair - Date and Time - Golang Formatting Library.
• now - Now is a time toolkit for golang.
• strftime - C99-compatible strftime formatter.
• timespan - For interacting with intervals of time, defined as a start time and a duration.
• timeutil - Useful extensions (Timedelta, Strftime, ...) to the golang's time package.
• tuesday - Ruby-compatible Strftime function.

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Distributed Systems

Packages that help with building Distributed Systems.

• arpc - More effective network communication, support two-way-calling, notify, broadcast.
• bedrock - Provides a minimal, modular and composable foundation for quickly developing services and more use case specific frameworks in Go.
• capillaries - distributed batch data processing framework.
• circuit - Circuit breaker with gradual recovery via probabilistic throttling.
• cmd-stream-go - High-performance distributed command pattern library for Go.
• committer - A distributed transactions management system (2PC/3PC implementation).
• consistent - Consistent hashing with bounded loads.
• consistenthash - Consistent hashing with configurable replicas.
• dht - BitTorrent Kademlia DHT implementation.
• digota - grpc ecommerce microservice.
• dot - distributed sync using operational transformation/OT.
• doublejump - A revamped Google's jump consistent hash.
• dragonboat - A feature complete and high performance multi-group Raft library in Go.
• Dragonfly - Provide efficient, stable and secure file distribution and image acceleration based on p2p technology to be the best practice and standard solution in cloud native architectures.
• drmaa - Job submission library for cluster schedulers based on the DRMAA standard.
• dynamolock - DynamoDB-backed distributed locking implementation.
• dynatomic - A library for using DynamoDB as an atomic counter.
• emitter-io - High performance, distributed, secure and low latency publish-subscribe platform built with MQTT, Websockets and love.
• evans - Evans: more expressive universal gRPC client.
• failured - adaptive accrual failure detector for distributed systems.
• flowgraph - flow-based programming package.
• gleam - Fast and scalable distributed map/reduce system written in pure Go and Luajit, combining Go's high concurrency with Luajit's high performance, runs standalone or distributed.
• glow - Easy-to-Use scalable distributed big data processing, Map-Reduce, DAG execution, all in pure Go.
• gmsec - A Go distributed systems development framework.
• go-doudou - A gossip protocol and OpenAPI 3.0 spec based decentralized microservice framework. Built-in go-doudou cli focusing on low-code and rapid dev can power up your productivity.
• go-eagle - A Go framework for the API or Microservice with handy scaffolding tools.
• go-jump - Port of Google's "Jump" Consistent Hash function.
• go-kit - Microservice toolkit with support for service discovery, load balancing, pluggable transports, request tracking, etc.
• go-micro - A distributed systems development framework.
• go-mysql-lock - MySQL based distributed lock.
• go-pdu - A decentralized identity-based social network.
• go-sundheit - A library built to provide support for defining async service health checks for golang services.
• go-zero - A web and rpc framework. It's born to ensure the stability of the busy sites with resilient design. Builtin goctl greatly improves the development productivity.
• gorpc - Simple, fast and scalable RPC library for high load.
• grpc-go - The Go language implementation of gRPC. HTTP/2 based RPC.
• health - Health checker for Go services with Kubernetes probe support.
• hprose - Very newbility RPC Library, support 25+ languages now.
• jsonrpc - The jsonrpc package helps implement of JSON-RPC 2.0.
• jsonrpc - JSON-RPC 2.0 HTTP client implementation.
• K8gb - A cloud native Kubernetes Global Balancer.
• Kitex - A high-performance and strong-extensibility Golang RPC framework that helps developers build microservices. If the performance and extensibility are the main concerns when you develop microservices, Kitex can be a good choice.
• Kratos - A modular-designed and easy-to-use microservices framework in Go.
• liftbridge - Lightweight, fault-tolerant message streams for NATS.
• lock - Distributed lock family with one Go interface and five backends (filelock, flock, Redis, Postgres, etcd) — fencing tokens, semaphore mode, and observability hooks across all backends.
• lura - Ultra performant API Gateway framework with middlewares.
• mochi mqtt - Fully spec compliant, embeddable high-performance MQTT v5/v3 broker for IoT, smarthome, and pubsub.
• NATS - NATS is a simple, secure, and performant communications system for digital systems, services, and devices.
• opentelemetry-go-auto-instrumentation - OpenTelemetry Compile-Time Instrumentation for Golang.
• oras - CLI and library for OCI Artifacts in container registries.
• outbox - Lightweight library for the transactional outbox pattern in Go, not tied to any specific relational database or broker.
• outboxer - Outboxer is a go library that implements the outbox pattern.
• pglock - PostgreSQL-backed distributed locking implementation.
• pjrpc - Golang JSON-RPC Server-Client with Protobuf spec.
• raft - Golang implementation of the Raft consensus protocol, by HashiCorp.
• raft - Go implementation of the Raft consensus protocol, by CoreOS.
• rain - BitTorrent client and library.
• redis-lock - Simplified distributed locking implementation using Redis.
• resgate - Realtime API Gateway for building REST, real time, and RPC APIs, where all clients are synchronized seamlessly.
• rpcplatform - Framework for microservices with service discovery, load balancing, and related features.
• rpcx - Distributed pluggable RPC service framework like alibaba Dubbo.
• Semaphore - A straightforward (micro) service orchestrator.
• servicepack - Framework for running multiple services concurrently in a single binary, locally or distributed across machines.
• sleuth - Library for master-less p2p auto-discovery and RPC between HTTP services (using ZeroMQ).
• sponge - A distributed development framework that integrates automatic code generation, gin and grpc frameworks, base development frameworks.
• Tarmac - Framework for writing functions, microservices, or monoliths with WebAssembly
• Temporal - Durable execution system for making code fault-tolerant and simple.
• torrent - BitTorrent client package.
• trpc-go - The Go language implementation of tRPC, which is a pluggable, high-performance RPC framework.

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Dynamic DNS

Tools for updating dynamic DNS records.

• DDNS - Personal DDNS client with Digital Ocean Networking DNS as backend.
• dyndns - Background Go process to regularly and automatically check your IP Address and make updates to (one or many) Dynamic DNS records for Google domains whenever your address changes.
• GoDNS - A dynamic DNS client tool, supports DNSPod & HE.net, written in Go.

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Email

Libraries and tools that implement email creation and sending.

• chasquid - SMTP server written in Go.
• douceur - CSS inliner for your HTML emails.
• email - A robust and flexible email library for Go.
• email-verifier - A Go library for email verification without sending any emails.
• go-dkim - DKIM library, to sign & verify email.
• go-email-normalizer - Golang library for providing a canonical representation of email address.
• go-imap - Batteries-included IMAP client with auto-reconnect, OAuth2, IDLE support, and built-in MIME parsing.
• go-imap - IMAP library for clients and servers.
• go-mail - A simple Go library for sending mails in Go.
• go-message - Streaming library for the Internet Message Format and mail messages.
• go-premailer - Inline styling for HTML mail in Go.
• go-simple-mail - Very simple package to send emails with SMTP Keep Alive and two timeouts: Connect and Send.
• go-spamcheck - Client for Postmark's SpamCheck API that scores a raw email against SpamAssassin rules.
• Hectane - Lightweight SMTP client providing an HTTP API.
• hermes - Golang package that generates clean, responsive HTML e-mails.
• Maddy - All-in-one (SMTP, IMAP, DKIM, DMARC, MTA-STS, DANE) email server
• mailchain - Send encrypted emails to blockchain addresses written in Go.
• mailgun-go - Go library for sending mail with the Mailgun API.
• MailHog - Email and SMTP testing with web and API interface.
• Mailpit - Email and SMTP testing tool for developers.
• mailx - Mailx is a library that makes it easier to send email via SMTP. It is an enhancement of the golang standard library net/smtp.
• mox - Modern full-featured secure mail server for low-maintenance, self-hosted email.
• SendGrid - SendGrid's Go library for sending email.
• smtp - SMTP server protocol state machine.
• smtpmock - Lightweight configurable multithreaded fake SMTP server. Mimic any SMTP behaviour for your test environment.
• tickstem/verify - Validate email addresses before they hit your database: syntax, MX lookup, disposable domains, and role-based inboxes.
• truemail-go - Configurable Golang email validator/verifier. Verify email via Regex, DNS, SMTP and even more.

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Embeddable Scripting Languages

Embedding other languages inside your go code.

• anko - Scriptable interpreter written in Go.
• binder - Go to Lua binding library, based on gopher-lua.
• cel-go - Fast, portable, non-Turing complete expression evaluation with gradual typing.
• ecal - A simple embeddable scripting language which supports concurrent event processing.
• expr - Expression evaluation engine for Go: fast, non-Turing complete, dynamic typing, static typing.
• FrankenPHP - PHP embedded in Go, with a net/http handler.
• gentee - Embeddable scripting programming language.
• gisp - Simple LISP in Go.
• go-lua - Port of the Lua 5.2 VM to pure Go.
• go-lua - Lua 5.4 VM implemented in pure Go.
• go-php - PHP bindings for Go.
• goal - An embeddable scripting array language.
• goja - ECMAScript 5.1(+) implementation in Go.
• golua - Go bindings for Lua C API.
• gopher-lua - Lua 5.1 VM and compiler written in Go.
• gval - A highly customizable expression language written in Go.
• metacall - Cross-platform Polyglot Runtime which supports NodeJS, JavaScript, TypeScript, Python, Ruby, C#, WebAssembly, Java, Cobol and more.
• ngaro - Embeddable Ngaro VM implementation enabling scripting in Retro.
• prolog - Embeddable Prolog.
• purl - Perl 5.18.2 embedded in Go.
• starlark-go - Go implementation of Starlark: Python-like language with deterministic evaluation and hermetic execution.
• starlet - Go wrapper for starlark-go that simplifies script execution, offers data conversion, and useful Starlark libraries and extensions.
• tengo - Bytecode compiled script language for Go.
• Wa/凹语言 - The Wa Programming Language embedded in Go.

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Error Handling

Libraries for handling errors.

• ctxerrors - Wrap errors with the file, line, and function name of each call site.
• emperror - Error handling tools and best practices for Go libraries and applications.
• eris - A better way to handle, trace, and log errors in Go. Compatible with the standard error library and github.com/pkg/errors.
• errlog - Hackable package that determines responsible source code for an error (and some other fast-debugging features). Pluggable to any logger in-place.
• errors - Drop-in replacement for the standard library errors package and github.com/pkg/errors. Provides various error handling primitives.
• errors - Simple golang error handling with classification primitives.
• errors - The most simple error wrapper with awesome performance and minimal memory overhead.
• errors - Providing errors with a stack trace and optional structured details. Compatible with github.com/pkg/errors API but does not use it internally.
• errors - Drop-in replacement for builtin Go errors. This is a minimal error handling package with custom error types, user friendly messages, Unwrap & Is. With very easy to use and straightforward helper functions.
• errors - Go error library with error portability over the network.
• errorx - A feature rich error package with stack traces, composition of errors and more.
• exception - A simple utility package for exception handling with try-catch in Golang.
• Falcon - A Simple Yet Highly Powerful Package For Error Handling.
• Fault - An ergonomic mechanism for wrapping errors in order to facilitate structured metadata and context for error values.
• go-errr - Error handling library with Catch/Recover semantics, wrapped error chains, and stack traces for Go.
• go-multierror - Go (golang) package for representing a list of errors as a single error.
• metaerr - A library to create your custom error builders producing structured errors with metadata from different sources and optional stacktraces.
• multierr - Package for representing a list of errors as a single error.
• oops - Error handling with context, stack trace and source fragments.
• tracerr - Golang errors with stack trace and source fragments.

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File Handling

Libraries for handling files and file systems.

• afero - FileSystem Abstraction System for Go.
• afs - Abstract File Storage (mem, scp, zip, tar, cloud: s3, gs) for Go.
• baraka - A library to process http file uploads easily.
• checksum - Compute message digest, like MD5, SHA256, SHA1, CRC or BLAKE2s, for large files.
• copy - Copy directory recursively.
• fastwalk - Fast parallel directory traversal library (used by fzf).
• flop - File operations library which aims to mirror feature parity with GNU cp.
• gdu - Disk usage analyzer with console interface.
• go-csv-tag - Load csv file using tag.
• go-decent-copy - Copy files for humans.
• go-exiftool - Go bindings for ExifTool, the well-known library used to extract as much metadata as possible (EXIF, IPTC, ...) from files (pictures, PDF, office, ...).
• go-gtfs - Load gtfs files in go.
• go-wkhtmltopdf - A package to convert an HTML template to a PDF file.
• gofs - A cross-platform real-time file synchronization tool out of the box.
• gopdfrab - PDF/A processing for Go.
• gulter - A simple HTTP middleware to automatically handle all your file upload needs
• gut/yos - Simple and reliable package for file operations like copy/move/diff/list on files, directories and symbolic links.
• gxpdf - Modern full-lifecycle PDF library for Go — parse, extract tables, generate, and sign documents with zero CGO dependencies.
• higgs - A tiny cross-platform Go library to hide/unhide files and directories.
• iso9660 - A package for reading and creating ISO9660 disk images
• notify - File system event notification library with simple API, similar to os/signal.
• opc - Load Open Packaging Conventions (OPC) files for Go.
• parquet - Read and write parquet files.
• pathtype - Treat paths as their own type instead of using strings.
• pdfcpu - PDF processor.
• skywalker - Package to allow one to concurrently go through a filesystem with ease.
• todotxt - Go library for Gina Trapani's todo.txt files, supports parsing and manipulating of task lists in the todo.txt format.
• vfs - A pluggable, extensible, and opinionated set of filesystem functionality for Go across a number of filesystem types such as os, S3, and GCS.

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Financial

Packages for accounting and finance.

• accounting - money and currency formatting for golang.
• ach - A reader, writer, and validator for Automated Clearing House (ACH) files.
• bbgo - A crypto trading bot framework written in Go. Including common crypto exchange API, standard indicators, back-testing and many built-in strategies.
• cnn-fear-and-greed-parse - Client for CNN's Fear & Greed Index with the seven component indicators and about a year of daily history.
• currency - Handles currency amounts, provides currency information and formatting.
• currency - High performant & accurate currency computation package.
• dec128 - High performance 128-bit fixed-point decimal numbers.
• decimal - Arbitrary-precision fixed-point decimal numbers.
• decimal - High performance 64-bit decimal partially compatible with shopspring/decimal and int64, including Weight and Length.
• decimal - Immutable decimal numbers with panic-free arithmetic.
• eu-vat-rates-data-go - VAT rates and VAT number formats for 45 European countries, embedded at compile time and refreshed daily from the European Commission TEDB.
• fpdecimal - Fast and precise serialization and arithmetic for small fixed-point decimals
• fpmoney - Fast and simple ISO4217 fixed-point decimal money.
• go-finance - Library of financial functions for time value of money (annuities), cash flow, interest rate conversions, bonds and depreciation calculations.
• go-finance - Module to fetch exchange rates, check VAT numbers via VIES and check IBAN bank account numbers.
• go-money - Implementation of Fowler's Money pattern.
• go-nowpayments - Library for the crypto NOWPayments API.
• gobl - Invoice and billing document framework. JSON Schema based. Automates tax calculations and validation, with tooling to convert into global formats.
• indicator - Technical analysis library providing financial indicators, strategies, and backtesting framework.
• ledger - A programmable financial ledger that provides a foundation for money-moving applications.
• money - Immutable monetary amounts and exchange rates with panic-free arithmetic.
• ofxgo - Query OFX servers and/or parse the responses (with example command-line client).
• orderbook - Matching Engine for Limit Order Book in Golang.
• payme - QR code generator (ASCII & PNG) for SEPA payments.
• paystack-sdk-go - A comprehensive, zero-dependency, and fully typed Go SDK for the Paystack API.
• swift - Offline validity check of IBAN (International Bank Account Number) and retrieval of BIC (for some countries).
• techan - Technical analysis library with advanced market analysis and trading strategies.
• ticker - Terminal stock watcher and stock position tracker.
• transaction - Embedded transactional database of accounts, running in multithreaded mode.
• udecimal - High performance, high precision, zero allocation fixed-point decimal library for financial applications.
• vat - VAT number validation & EU VAT rates.

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Forms

Libraries for working with forms.

• bind - Bind form data to any Go values.
• checker - Checker helps validating user input through rules defined in struct tags or directly through functions.
• conform - Keeps user input in check. Trims, sanitizes & scrubs data based on struct tags.
• form - Decodes url.Values into Go value(s) and Encodes Go value(s) into url.Values. Dual Array and Full map support.
• formam - decode form's values into a struct.
• forms - Framework-agnostic library for parsing and validating form/JSON data which supports multipart forms and files.
• gbind - Bind data to any Go value. Can use built-in and custom expression binding capabilities; supports data validation
• gorilla/csrf - CSRF protection for Go web applications & services.
• httpin - Decode an HTTP request into a custom struct, including querystring, forms, HTTP headers, etc.
• nosurf - CSRF protection middleware for Go.
• qs - Go module for encoding structs into URL query parameters.
• queryparam - Decode url.Values into usable struct values of standard or custom types.
• roamer - Eliminates boilerplate code for parsing HTTP requests by binding cookies, headers, query params, path params, body to structs and more by using simple tags.

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Functional

Packages to support functional programming in Go.

• fp-go - Collection of Functional Programming helpers powered by Golang 1.18+ generics.
• fpGo - Monad, Functional Programming features for Golang.
• fuego - Functional Experiment in Go.
• FuncFrog - Functional helpers library providing Map, Filter, Reduce and other stream operations on generic slices Go1.18+ with lazy evaluation and error handling mechanisms.
• g - Functional programming framework for Go.
• go-functional - Functional programming in Go using generics
• go-underscore - Useful collection of helpfully functional Go collection utilities.
• gofp - A lodash like powerful utility library for Golang.
• mo - Monads and popular FP abstractions, based on Go 1.18+ Generics (Option, Result, Either...).
• underscore - Functional programming helpers for Go 1.18 and beyond.
• valor - Generic option and result types that optionally contain a value.

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Game Development

Awesome game development libraries.

• Ark - Archetype-based Entity Component System (ECS) for Go.
• Ebitengine - dead simple 2D game engine in Go.
• ecs - Build your own Game-Engine based on the Entity Component System concept in Golang.
• engo - Engo is an open-source 2D game engine written in Go. It follows the Entity-Component-System paradigm.
• fantasyname - Fantasy names generator.
• g3n - Go 3D Game Engine.
• go-astar - Go implementation of the A* path finding algorithm.
• go-sdl2 - Go bindings for the Simple DirectMedia Layer.
• go3d - Performance oriented 2D/3D math package for Go.
• gogpu - GPU application framework with windowing, input, and rendering built on WebGPU — reduces 480+ lines of GPU code to ~20, zero CGO (GoGPU ecosystem: gg, ui, wgpu, naga).
• gogpu/wgpu - Pure Go WebGPU implementation with Vulkan, DX12, and Metal backends, zero CGO (part of GoGPU ecosystem).
• GOKe - Data-Oriented (DOD), archetype-based ECS engine utilizing an L1 cache-aligned chunked SoA layout for predictable, stepless memory growth and zero-allocation execution paths.
• gonet - Game server skeleton implemented with golang.
• goworld - Scalable game server engine, featuring space-entity framework and hot-swapping.
• grid - Generic 2D grid with ray-casting, shadow-casting and path finding.
• Leaf - Lightweight game server framework.
• nano - Lightweight, facility, high performance golang based game server framework.
• Oak - Pure Go game engine.
• Pi - Game engine for creating retro games for modern computers. Inspired by Pico-8 and powered by Ebitengine.
• Pitaya - Scalable game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK.
• Pixel - Hand-crafted 2D game library in Go.
• prototype - Cross-platform (Windows/Linux/Mac) library for creating desktop games using a minimal API.
• raylib-go - Go bindings for raylib, a simple and easy-to-use library to learn videogames programming.
• sceneCamera - Camera movement and view/projection matrices for museum, FPS, RTS, and stereo rendering modes.
• termloop - Terminal-based game engine for Go, built on top of Termbox.
• tile - Data-oriented and cache-friendly 2D Grid library (TileMap), includes pathfinding, observers and import/export.

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Generators

Tools that generate Go code.

• apispec - Generate OpenAPI 3.1 specs from Go code without annotations, plus a browser UI to configure, preview, and explore the call graph.
• convergen - Feature rich type-to-type copy code generator.
• copygen - Generate any code based on Go types, including type-to-type converters (copy code) without reflection by default.
• generis - Code generation tool providing generics, free-form macros, conditional compilation and HTML templating.
• go-apispec - Generate OpenAPI 3.1 specs from Go source code via static analysis with automatic framework detection.
• go-enum - Code generation for enums from code comments.
• go-enum-encoding - Code generation for enum encoding from code comments.
• go-linq - .NET LINQ-like query methods for Go.
• goderive - Derives functions from input types
• goverter - Generate converters by defining an interface.
• GoWrap - Generate decorators for Go interfaces using simple templates.
• interfaces - Command line tool for generating interface definitions.
• jennifer - Generate arbitrary Go code without templates.
• oapi-codegen - This package contains a set of utilities for generating Go boilerplate code for services based on OpenAPI 3.0 API definitions.
• protoc-gen-httpgo - Generate HTTP server and client from protobuf.
• typeregistry - A library to create type dynamically.

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Geographic

Geographic tools and servers

• borders - Detects image borders and converts to GeoJSON for GIS operations.
• geoos - A library provides spatial data and geometric algorithms.
• geoserver - geoserver Is a Go Package For Manipulating a GeoServer Instance via the GeoServer REST API.
• gismanager - Publish Your GIS Data(Vector Data) to PostGIS and Geoserver.
• godal - Go wrapper for GDAL.
• H3 - Go bindings for H3, a hierarchical hexagonal geospatial indexing system.
• H3 GeoJSON - Conversion utilities between H3 indexes and GeoJSON.
• H3GeoDist - Distribution of Uber H3geo cells by virtual nodes.
• mbtileserver - A simple Go-based server for map tiles stored in mbtiles format.
• osm - Library for reading, writing and working with OpenStreetMap data and APIs.
• pbf - OpenStreetMap PBF golang encoder/decoder.
• S2 geojson - Convert geojson to s2 cells & demonstrating some S2 geometry features on map.
• S2 geometry - S2 geometry library in Go.
• simplefeatures - simplesfeatures is a 2D geometry library that provides Go types that model geometries, as well as algorithms that operate on them.
• Tile38 - Geolocation DB with spatial index and realtime geofencing.
• Web-Mercator-Projection A project to easily use and convert LonLat, Point and Tile to display info, markers, etc, in a map using the Web Mercator Projection.
• WGS84 - Library for Coordinate Conversion and Transformation (ETRS89, OSGB36, NAD83, RGF93, Web Mercator, UTM).

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Go Compilers

Tools for compiling Go to other languages and vice-versa.

• bunster - Compile shell scripts to Go.
• c4go - Transpile C code to Go code.
• cxgo - Transpile C code to Go code.
• esp32 - Transpile Go into Arduino code.
• f4go - Transpile FORTRAN 77 code to Go code.
• go2hx - Compiler from Go to Haxe to Javascript/C++/Java/C#.
• gopherjs - Compiler from Go to JavaScript.

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Goroutines

Tools for managing and working with Goroutines.

• anchor - Library to manage component lifecycle in microservice architectures.
• ants - A high-performance and low-cost goroutine pool in Go.
• artifex - Simple in-memory job queue for Golang using worker-based dispatching.
• async - An asynchronous task package with async/await style for Go.
• async - An alternative sync library for Go (Future, Promise, Locks).
• async - A safe way to execute functions asynchronously, recovering them in case of panic.
• async-job - AsyncJob is an asynchronous queue job manager with light code, clear and speed.
• autopool - Zero-config, auto-scaling worker pool for Go with priority-aware scheduling.
• breaker - Flexible mechanism to make execution flow interruptible.
• channelify - Transform your function to return channels for easy and powerful parallel processing.
• conc - conc is your toolbelt for structured concurrency in go, making common tasks easier and safer.
• concurrency-limiter - Concurrency limiter with support for timeouts, dynamic priority and context cancellation of goroutines.
• conexec - A concurrent toolkit to help execute funcs concurrently in an efficient and safe way. It supports specifying the overall timeout to avoid blocking and uses goroutine pool to improve efficiency.
• cyclicbarrier - CyclicBarrier for golang.
• execpool - A pool built around exec.Cmd that spins up a given number of processes in advance and attaches stdin and stdout to them when needed. Very similar to FastCGI or Apache Prefork MPM but works for any command.
• flowmatic - Structured concurrency made easy.
• go-accumulator - Solution for accumulation of events and their subsequent processing.
• go-actor - A tiny library for writing concurrent programs using actor model.
• go-floc - Orchestrate goroutines with ease.
• go-flow - Control goroutines execution order.
• go-tools/multithreading - Manage a pool of goroutines using this lightweight library with a simple API.
• go-trylock - TryLock support on read-write lock for Golang.
• go-waitgroup - Like sync.WaitGroup with error handling and concurrency control.
• go-workerpool - Inspired from Java Thread Pool, Go WorkerPool aims to control heavy Go Routines.
• goccm - Go Concurrency Manager package limits the number of goroutines that allowed to run concurrently.
• gohive - A highly performant and easy to use Goroutine pool for Go.
• gollback - asynchronous simple function utilities, for managing execution of closures and callbacks.
• gowl - Gowl is a process management and process monitoring tool at once. An infinite worker pool gives you the ability to control the pool and processes and monitor their status.
• goworker - goworker is a Go-based background worker.
• gowp - gowp is concurrency limiting goroutine pool.
• gpool - manages a resizeable pool of context-aware goroutines to bound concurrency.
• grpool - Lightweight Goroutine pool.
• hands - A process controller used to control the execution and return strategies of multiple goroutines.
• Hunch - Hunch provides functions like: All, First, Retry, Waterfall etc., that makes asynchronous flow control more intuitive.
• kyoo - Provides an unlimited job queue and concurrent worker pools.
• neilotoole/errgroup - Drop-in alternative to sync/errgroup, limited to a pool of N worker goroutines.
• nursery - Structured concurrency in Go.
• oversight - Oversight is a complete implementation of the Erlang supervision trees.
• parallel-fn - Run functions in parallel.
• pond - Minimalistic and High-performance goroutine worker pool written in Go.
• pool - Limited consumer goroutine or unlimited goroutine pool for easier goroutine handling and cancellation.
• powerlock - Named FIFO mutexes with context cancellation, bounded wait queues, watchdog diagnostics, pprof profiles, and Prometheus metrics.
• rill - Go toolkit for clean, composable, channel-based concurrency.
• routine - routine is a ThreadLocal for go library. It encapsulates and provides some easy-to-use, non-competitive, high-performance goroutine context access interfaces, which can help you access coroutine context information more gracefully.
• routine - go routine control with context, support: Main, Go, Pool and some useful Executors.
• semaphore - Semaphore pattern implementation with timeout of lock/unlock operations based on channel and context.
• semaphore - Fast resizable semaphore implementation based on CAS (faster than channel-based semaphore implementations).
• stl - Software transactional locks based on Software Transactional Memory (STM) concurrency control mechanism.
• threadpool - Golang threadpool implementation.
• tunny - Goroutine pool for golang.
• worker-pool - goworker is a Go simple async worker pool.
• workerpool - Goroutine pool that limits the concurrency of task execution, not the number of tasks queued.

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GUI

Libraries for building GUI Applications.

Toolkits

• app - Package to create apps with GO, HTML and CSS. Supports: MacOS, Windows in progress.
• cimgui-go - Auto generated Go wrapper for Dear ImGui via cimgui.
• Cogent Core - A framework for building 2D and 3D apps that run on macOS, Windows, Linux, iOS, Android, and the web.
• DarwinKit - Build native macOS applications using Go.
• energy - Cross-platform based on LCL(Native System UI Control Library) and CEF(Chromium Embedded Framework) (Windows/ macOS / Linux)
• fyne - Cross platform native GUIs designed for Go based on Material Design. Supports: Linux, macOS, Windows, BSD, iOS and Android.
• gio - Gio is a library for writing cross-platform immediate mode GUI-s in Go. Gio supports all the major platforms: Linux, macOS, Windows, Android, iOS, FreeBSD, OpenBSD and WebAssembly.
• go-gtk - Go bindings for GTK.
• go-sciter - Go bindings for Sciter: the Embeddable HTML/CSS/script engine for modern desktop UI development. Cross platform.
• Goey - Cross platform UI toolkit aggregator for Windows / Linux / Mac. GTK, Cocoa, Windows API
• gogpu/ui - GPU-accelerated GUI toolkit with 22 widgets, 3 design systems (Material, Fluent, Cupertino), reactive signals, and zero CGO (part of GoGPU ecosystem).
• goradd/html5tag - Library for outputting HTML5 tags.
• gotk3 - Go bindings for GTK3.
• gowd - Rapid and simple desktop UI development with GO, HTML, CSS and NW.js. Cross platform.
• proton - Pure Go immediate-mode GUI framework built on Gio with zero Cgo dependencies.
• qt - Qt binding for Go (support for Windows / macOS / Linux / Android / iOS / Sailfish OS / Raspberry Pi).
• Spot - Reactive, cross-platform desktop GUI toolkit.
• ui - Platform-native GUI library for Go. Cross platform.
• unison - A unified graphical user experience toolkit for Go desktop applications. macOS, Windows, and Linux are supported.
• Wails - Mac, Windows, Linux desktop apps with HTML UI using built-in OS HTML renderer.
• walk - Windows application library kit for Go.
• webview - Cross-platform webview window with simple two-way JavaScript bindings (Windows / macOS / Linux).

Interaction

• AppIndicator Go - Go bindings for libappindicator3 C library.
• gogpu/systray - Pure Go system tray library for Windows, macOS, and Linux with zero CGO (part of GoGPU ecosystem).
• gosx-notifier - OSX Desktop Notifications library for Go.
• mac-activity-tracker - OSX library to notify about any (pluggable) activity on your machine.
• mac-sleep-notifier - OSX Sleep/Wake notifications in golang.
• robotgo - Go Native cross-platform GUI system automation. Control the mouse, keyboard and other.
• systray - Cross platform Go library to place an icon and menu in the notification area.
• trayhost - Cross-platform Go library to place an icon in the host operating system's taskbar.
• zenity - Cross-platform Go library and CLI to create simple dialogs that interact graphically with the user.

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Hardware

Libraries, tools, and tutorials for interacting with hardware.

• arduino-cli - Official Arduino CLI and library. Can run standalone, or be incorporated into larger Go projects.
• emgo - Go-like language for programming embedded systems (e.g. STM32 MCU).
• ghw - Golang hardware discovery/inspection library.
• go-osc - Open Sound Control (OSC) bindings for Go.
• go-rpio - GPIO for Go, doesn't require cgo.
• goroslib - Robot Operating System (ROS) library for Go.
• joystick - a polled API to read the state of an attached joystick.
• moody - Hardware event personality daemon for macOS. Monitors USB, charger, lid, and other hardware events and responds with customizable personalities.
• sysinfo - A pure Go library providing Linux OS / kernel / hardware system information.

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Images

Libraries for manipulating images.

• bild - Collection of image processing algorithms in pure Go.
• bimg - Small package for fast and efficient image processing using libvips.
• cameron - An avatar generator for Go.
• canvas - Vector graphics to PDF, SVG or rasterized image.
• color-extractor - Dominant color extractor with no external dependencies.
• darkroom - An image proxy with changeable storage backends and image processing engines with focus on speed and resiliency.
• eagle-image-api - Image optimization and transformation API using libvips, deployable to AWS Lambda and CloudFront.
• geopattern - Create beautiful generative image patterns from a string.
• gg - 2D rendering in pure Go.
• gift - Package of image processing filters.
• gltf - Efficient and robust glTF 2.0 reader, writer and validator.
• go-cairo - Go binding for the cairo graphics library.
• go-gd - Go binding for GD library.
• go-nude - Nudity detection with Go.
• go-qrcode - Generate QR codes with personalized styles, allowing adjustments to color, block size, shape, and icons.
• go-webcolors - Port of webcolors library from Python to Go.
• go-webp - Library for encode and decode webp pictures, using libwebp.
• gocv - Go package for computer vision using OpenCV 3.3+.
• gogpu/gg - GPU-accelerated 2D rendering with Canvas-like API, zero CGO (part of GoGPU pure Go graphics ecosystem).
• goimagehash - Go Perceptual image hashing package.
• goimghdr - The imghdr module determines the type of image contained in a file for Go.
• govatar - Library and CMD tool for generating funny avatars.
• govips - A lightning fast image processing and resizing library for Go.
• gowitness - Screenshoting webpages using go and headless chrome on command line.
• gridder - A Grid based 2D Graphics library.
• image2ascii - Convert image to ASCII.
• imagick - Go binding to ImageMagick's MagickWand C API.
• imaginary - Fast and simple HTTP microservice for image resizing.
• imaging - Simple Go image processing package.
• imagor - Fast, secure image processing server and Go library, using libvips.
• img - Selection of image manipulation tools.
• ln - 3D line art rendering in Go.
• mergi - Tool & Go library for image manipulation (Merge, Crop, Resize, Watermark, Animate).
• mort - Storage and image processing server written in Go.
• mpo - Decoder and conversion tool for MPO 3D Photos.
• nativewebp - Go native WebP encoder with zero external dependencies.
• picfit - An image resizing server written in Go.
• pt - Path tracing engine written in Go.
• scout - Scout is a standalone open source software solution for DIY video security.
• smartcrop - Finds good crops for arbitrary images and crop sizes.
• steganography - Pure Go Library for LSB steganography.
• stegify - Go tool for LSB steganography, capable of hiding any file within an image.
• svgo - Go Language Library for SVG generation.
• transformimgs - Transformimgs resizes and optimises images for Web using next-generation formats.
• webp-server - Simple and minimal image server capable of storing, resizing, converting and caching images.

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IoT (Internet of Things)

Libraries for programming devices of the IoT.

• connectordb - Open-Source Platform for Quantified Self & IoT.
• devices - Suite of libraries for IoT devices, experimental for x/exp/io.
• ekuiper - Lightweight data stream processing engine for IoT edge.
• eywa - Project Eywa is essentially a connection manager that keeps track of connected devices.
• flogo - Project Flogo is an Open Source Framework for IoT Edge Apps & Integration.
• gatt - Gatt is a Go package for building Bluetooth Low Energy peripherals.
• gobot - Gobot is a framework for robotics, physical computing, and the Internet of Things.
• huego - An extensive Philips Hue client library for Go.
• iot - IoT is a simple framework for implementing a Google IoT Core device.
• periph - Peripherals I/O to interface with low-level board facilities.
• rulego - RuleGo is a lightweight, high-performance, embedded, orchestrable component-based rule engine for IoT edge.
• sensorbee - Lightweight stream processing engine for IoT.
• shifu - Kubernetes native IoT development framework.
• smart-home - Software package for IoT automation.

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Job Scheduler

Libraries for scheduling jobs.

• cdule - Job scheduler library with database support
• cheek - A simple crontab like scheduler that aims to offer a KISS approach to job scheduling.
• clockwerk - Go package to schedule periodic jobs using a simple, fluent syntax.
• cronticker - A ticker implementation to support cron schedules.
• go-cron - Simple Cron library for go that can execute closures or functions at varying intervals, from once a second to once a year on a specific date and time. Primarily for web applications and long running daemons.
• go-cron - Cron job scheduler with runtime schedule updates, per-entry context, resilience middleware (retry, circuit breaker, rate limiting), and observability hooks; successor to robfig/cron.
• go-job - A flexible and extensible job scheduling and execution library for Go.
• go-quartz - Simple, zero-dependency scheduling library for Go.
• go-scheduler - Job scheduler supporting standard cron expressions, custom descriptors, intervals, and task dependencies.
• gocron - Easy and fluent Go job scheduling. This is an actively maintained fork of jasonlvhit/gocron.
• goflow - A simple but powerful DAG scheduler and dashboard.
• gron - Define time-based tasks using a simple Go API and Gron’s scheduler will run them accordingly.
• gronx - Cron expression parser, task runner and daemon consuming crontab like task list.
• JobRunner - Smart and featureful cron job scheduler with job queuing and live monitoring built in.
• leprechaun - Job scheduler that supports webhooks, crons and classic scheduling.
• ofelia - Docker job scheduler (crontab for Docker); fork of mcuadros/ofelia that adds a web UI, job dependencies, retries, and job persistence.
• pending - ID-based debounced task scheduler for deferred tasks with cancellation, graceful shutdown, and optional concurrency limits.
• sched - A job scheduler with the ability to fast-forward time.
• scheduler - Cronjobs scheduling made easy.
• scheduler - Go-native distributed job scheduler with delayed tasks, batched Redis coordination, retries, lease-based recovery, and versioned queue partitioning.
• tasks - An easy to use in-process scheduler for recurring tasks in Go.
• tickstem/cron - Go client for scheduling HTTP cron jobs, with execution history, failure alerts, and tsk-local for testing handlers without live credentials.
• tickstem/heartbeat - Go client for dead-man's switch heartbeat monitoring: ping a URL after each job run and get alerted by email if pings stop arriving.

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JSON

Libraries for working with JSON.

• ajson - Abstract JSON for golang with JSONPath support.
• ask - Easy access to nested values in maps and slices. Works in combination with encoding/json and other packages that "Unmarshal" arbitrary data into Go data-types.
• dynjson - Client-customizable JSON formats for dynamic APIs.
• ej - Write and read JSON from different sources succinctly.
• epoch - Contains primitives for marshaling/unmarshalling Unix timestamp/epoch to/from build-in time.Time type in JSON.
• fastjson - Fast JSON parser and validator for Go. No custom structs, no code generation, no reflection.
• gabs - For parsing, creating and editing unknown or dynamic JSON in Go.
• gjo - Small utility to create JSON objects.
• GJSON - Get a JSON value with one line of code.
• go-jsonerror - Go-JsonError is meant to allow us to easily create json response errors that follow the JsonApi spec.
• go-respond - Go package for handling common HTTP JSON responses.
• gojmapr - Get simple struct from complex json by json path.
• gojq - JSON query in Golang.
• gojson - Automatically generate Go (golang) struct definitions from example JSON.
• htmljson - Rich rendering of JSON as HTML in Go.
• JayDiff - JSON diff utility written in Go.
• jettison - Fast and flexible JSON encoder for Go.
• jscan - High performance zero-allocation JSON iterator.
• JSON-to-Go - Convert JSON to Go struct.
• JSON-to-Proto - Convert JSON to Protobuf online.
• json2go - Advanced JSON to Go struct conversion. Provides package that can parse multiple JSON documents and create struct to fit them all.
• jsonapi-errors - Go bindings based on the JSON API errors reference.
• jsoncolor - Drop-in replacement for encoding/json that outputs colorized JSON.
• jsondiff - JSON diff library for Go based on RFC6902 (JSON Patch).
• jsonf - Console tool for highlighted formatting and struct query fetching JSON.
• jsongo - Fluent API to make it easier to create Json objects.
• jsonhal - Simple Go package to make custom structs marshal into HAL compatible JSON responses.
• jsonhandlers - JSON library to expose simple handlers that lets you easily read and write json from various sources.
• jsonic - Utilities to handle and query JSON without defining structs in a type safe manner.
• jsonvalue - A fast and convenient library for unstructured JSON data, replacing encoding/json.
• jzon - JSON library with standard compatible API/behavior.
• kazaam - API for arbitrary transformation of JSON documents.
• mapslice-json - Go MapSlice for ordered marshal/ unmarshal of maps in JSON.
• marshmallow - Performant JSON unmarshalling for flexible use cases.
• mp - Simple cli email parser. It currently takes stdin and outputs JSON.
• OjG - Optimized JSON for Go is a high performance parser with a variety of additional JSON tools including JSONPath.
• omg.jsonparser - Simple JSON parser with validation by condition via golang struct fields tags.
• silentjson - Zero-allocation JSON boundary scanner and splitter utilizing AVX2 SIMD instructions.
• SJSON - Set a JSON value with one line of code.
• ujson - Fast and minimal JSON parser and transformer that works on unstructured JSON.
• vjson - Go package for validating JSON objects with declaring a JSON schema with fluent API.

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Logging

Libraries for generating and working with log files.

• caarlos0/log - Colorful CLI logger.
• distillog - distilled levelled logging (think of it as stdlib + log levels).
• glg - glg is simple and fast leveled logging library for Go.
• glo - PHP Monolog inspired logging facility with identical severity levels.
• glog - Leveled execution logs for Go.
• go-cronowriter - Simple writer that rotate log files automatically based on current date and time, like cronolog.
• go-log - A logging library with stack traces, object dumping and optional timestamps.
• go-log - Simple and configurable Logging in Go, with level, formatters and writers.
• go-log - Log lib supports level and multi handlers.
• go-log - Log4j implementation in Go.
• go-log4g - Log4g provides Log4j-style configuration and pattern layouts for Go's standard log/slog logging facade.
• go-logger - Simple logger of Go Programs, with level handlers.
• GoLogX - Append-only, hash-chained, optionally Ed25519-signed slog handler with offline verification of tampering.
• gone/log - Fast, extendable, full-featured, std-lib source compatible log library.
• httpretty - Pretty-prints your regular HTTP requests on your terminal for debugging (similar to http.DumpRequest).
• journald - Go implementation of systemd Journal's native API for logging.
• kemba - A tiny debug logging tool inspired by debug, great for CLI tools and applications.
• lazyjournal - A TUI for reading and filtering logs from journalctl, file system, Docker and Podman containers, as well Kubernetes pods.
• log - An O(1) logging system that allows you to connect one log to multiple writers (e.g. stdout, a file and a TCP connection).
• log - Structured logging package for Go.
• log - Simple, configurable and scalable Structured Logging for Go.
• log - Structured log interface for Go cleanly separates logging facade from its implementation.
• log - Simple leveled logging wrapper around standard log package.
• log - A simple logging framework out of the box.
• log15 - Simple, powerful logging for Go.
• logdump - Package for multi-level logging.
• logex - Golang log lib, supports tracking and level, wrap by standard log lib.
• logger - Minimalistic logging library for Go.
• logo - Golang logger to different configurable writers.
• logrus - Structured logger for Go.
• logrusiowriter - io.Writer implementation using logrus logger.
• logrusly - logrus plug-in to send errors to a Loggly.
• logutils - Utilities for slightly better logging in Go (Golang) extending the standard logger.
• logxi - 12-factor app logger that is fast and makes you happy.
• lumberjack - Simple rolling logger, implements io.WriteCloser.
• mlog - Simple logging module for go, with 5 levels, an optional rotating logfile feature and stdout/stderr output.
• noodlog - Parametrized JSON logging library which lets you obfuscate sensitive data and marshal any kind of content. No more printed pointers instead of values, nor escape chars for the JSON strings.
• onelog - Onelog is a dead simple but very efficient JSON logger. It is the fastest JSON logger out there in all scenarios. Also, it is one of the logger with the lowest allocation.
• ozzo-log - High performance logging supporting log severity, categorization, and filtering. Can send filtered log messages to various targets (e.g. console, network, mail).
• phuslu/log - High performance structured logging.
• pp - Colored pretty printer for Go language.
• rollingwriter - RollingWriter is an auto-rotate io.Writer implementation with multi policies to provide log file rotation.
• seelog - Logging functionality with flexible dispatching, filtering, and formatting.
• sentry-go - Sentry SDK for Go. Helps monitor and track errors with real-time alerts and performance monitoring.
• slf4g - Simple Logging Facade for Golang: Simple structured logging; but powerful, extendable and customizable, with huge amount of learnings from decades of past logging frameworks.
• slog - Lightweight, configurable, extensible logger for Go.
• slog-configurator - Configures the standard library log/slog logger from environment variables: level, format, source location, and stdout/stderr split.
• slog-formatter - Common formatters for slog and helpers to build your own.
• slog-multi - Chain of slog.Handler (pipeline, fanout...).
• slogor - A colorful slog handler.
• spew - Implements a deep pretty printer for Go data structures to aid in debugging.
• sqldb-logger - A logger for Go SQL database driver without modify existing *sql.DB stdlib usage.
• stdlog - Stdlog is an object-oriented library providing leveled logging. It is very useful for cron jobs.
• structy/log - A simple to use log system, minimalist but with features for debugging and differentiation of messages.
• tail - Go package striving to emulate the features of the BSD tail program.
• timberjack - Rolling logger with size-based, time-based, and scheduled clock-based rotation, supporting compression and cleanup.
• tint - A slog.Handler that writes tinted logs.
• xlog - Plugin architecture and flexible log system for Go, with level ctrl, multiple log target and custom log format.
• xlog - Structured logger for net/context aware HTTP handlers with flexible dispatching.
• xylog - Leveled and structured logging, dynamic fields, high performance, zone management, simple configuration, and readable syntax.
• yell - Yet another minimalistic logging library.
• zap - Fast, structured, leveled logging in Go.
• zax - Integrate Context with Zap logger, which leads to more flexibility in Go logging.
• zerolog - Zero-allocation JSON logger.
• zkits-logger - A powerful zero-dependency JSON logger.
• zl - High Developer Experience, zap based logger. It offers rich functionality but is easy to configure.

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Machine Learning

Libraries for Machine Learning.

• Anneal - Machine learning compiler in Go, a from-scratch tinygrad port with a WebGPU backend.
• bayesian - Naive Bayesian Classification for Golang.
• born - Deep learning framework inspired by Burn (Rust), with autograd, type-safe tensors, and zero-CGO GPU acceleration.
• catboost-cgo - Fast, scalable, high performance Gradient Boosting on Decision Trees library. Golang using Cgo for blazing fast inference CatBoost Model.
• CloudForest - Fast, flexible, multi-threaded ensembles of decision trees for machine learning in pure Go.
• datatrax - Data engineering and classic ML toolkit with batch processing, type coercion, and 7 algorithms in pure Go with zero dependencies.
• ddt - Dynamic decision tree, create trees defining customizable rules.
• eaopt - An evolutionary optimization library.
• evoli - Genetic Algorithm and Particle Swarm Optimization library.
• fonet - A Deep Neural Network library written in Go.
• go-cluster - Go implementation of the k-modes and k-prototypes clustering algorithms.
• go-deep - A feature-rich neural network library in Go.
• go-fann - Go bindings for Fast Artificial Neural Networks(FANN) library.
• go-galib - Genetic Algorithms library written in Go / golang.
• go-pr - Pattern recognition package in Go lang.
• gobrain - Neural Networks written in go.
• godist - Various probability distributions, and associated methods.
• goga - Genetic algorithm library for Go.
• GoLearn - General Machine Learning library for Go.
• GoMind - A simplistic Neural Network Library in Go.
• goml - On-line Machine Learning in Go.
• GoMLX - An accelerated Machine Learning framework for Go.
• gonet - Neural Network for Go.
• Goptuna - Bayesian optimization framework for black-box functions written in Go. Everything will be optimized.
• goRecommend - Recommendation Algorithms library written in Go.
• gorgonia - graph-based computational library like Theano for Go that provides primitives for building various machine learning and neural network algorithms.
• gorse - An offline recommender system backend based on collaborative filtering written in Go.
• goscore - Go Scoring API for PMML.
• gosseract - Go package for OCR (Optical Character Recognition), by using Tesseract C++ library.
• hugot - Huggingface transformer pipelines for golang with onnxruntime.
• libsvm - libsvm golang version derived work based on LIBSVM 3.14.
• m2cgen - A CLI tool to transpile trained classic ML models into a native Go code with zero dependencies, written in Python with Go language support.
• neural-go - Multilayer perceptron network implemented in Go, with training via backpropagation.
• ocrserver - A simple OCR API server, seriously easy to be deployed by Docker and Heroku.
• onnx-go - Go Interface to Open Neural Network Exchange (ONNX).
• probab - Probability distribution functions. Bayesian inference. Written in pure Go.
• randomforest - Easy to use Random Forest library for Go.
• regommend - Recommendation & collaborative filtering engine.
• shield - Bayesian text classifier with flexible tokenizers and storage backends for Go.
• tfgo - Easy to use Tensorflow bindings: simplifies the usage of the official Tensorflow Go bindings. Define computational graphs in Go, load and execute models trained in Python.
• Varis - Golang Neural Network.

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Messaging

Libraries that implement messaging systems.

• ami - Go client to reliable queues based on Redis Cluster Streams.
• amqp - Go RabbitMQ Client Library.
• APNs2 - HTTP/2 Apple Push Notification provider for Go - Send push notifications to iOS, tvOS, Safari and OSX apps.
• Asynq - A simple, reliable, and efficient distributed task queue for Go built on top of Redis.
• backlite - Type-safe, persistent, embedded task queues and background job runner w/ SQLite.
• Beaver - A real time messaging server to build a scalable in-app notifications, multiplayer games, chat apps in web and mobile apps.
• broker - Production-grade messaging abstraction with a unified API for various brokers and built-in OpenTelemetry integration.
• Bus - Minimalist message bus implementation for internal communication.
• Centrifugo - Real-time messaging (Websockets or SockJS) server in Go.
• Chanify - A push notification server send message to your iOS devices.
• Commander - A high-level event driven consumer/producer supporting various "dialects" such as Apache Kafka.
• Confluent Kafka Golang Client - confluent-kafka-go is Confluent's Golang client for Apache Kafka and the Confluent Platform.
• dbus - Native Go bindings for D-Bus.
• drone-line - Sending Line notifications using a binary, docker or Drone CI.
• emitter - Emits events using Go way, with wildcard, predicates, cancellation possibilities and many other good wins.
• event - Implementation of the pattern observer.
• EventBus - The lightweight event bus with async compatibility.
• gaurun-client - Gaurun Client written in Go.
• Glue - Robust Go and Javascript Socket Library (Alternative to Socket.io).
• go-eventbus - Simple Event Bus package for Go.
• Go-MediatR - A library for handling mediator patterns and simplified CQRS patterns within an event-driven architecture, inspired by csharp MediatR library.
• go-mq - RabbitMQ client with declarative configuration.
• go-notify - Native implementation of the freedesktop notification spec.
• go-nsq - the official Go package for NSQ.
• go-res - Package for building REST/real-time services where clients are synchronized seamlessly, using NATS and Resgate.
• go-vitotrol - Client library to Viessmann Vitotrol web service.
• GoEventBus - A blazing‑fast, in‑memory, lock‑free event bus library
• Gollum - A n:m multiplexer that gathers messages from different sources and broadcasts them to a set of destinations.
• golongpoll - HTTP longpoll server library that makes web pub-sub simple.
• gopush-cluster - gopush-cluster is a go push server cluster.
• gorush - Push notification server using APNs2 and google GCM.
• gosd - A library for scheduling when to dispatch a message to a channel.
• guble - Messaging server using push notifications (Google Firebase Cloud Messaging, Apple Push Notification services, SMS) as well as websockets, a REST API, featuring distributed operation and message-persistence.
• hare - A user friendly library for sending messages and listening to TCP sockets.
• hub - A Message/Event Hub for Go applications, using publish/subscribe pattern with support for alias like rabbitMQ exchanges.
• hypermatch - A very fast and efficient Go library for matching events to a large set of rules
• jazz - A simple RabbitMQ abstraction layer for queue administration and publishing and consuming of messages.
• machinery - Asynchronous task queue/job queue based on distributed message passing.
• mangos - Pure go implementation of the Nanomsg ("Scalability Protocols") with transport interoperability.
• melody - Minimalist framework for dealing with websocket sessions, includes broadcasting and automatic ping/pong handling.
• Mercure - Server and library to dispatch server-sent updates using the Mercure protocol (built on top of Server-Sent Events).
• messagebus - messagebus is a Go simple async message bus, perfect for using as event bus when doing event sourcing, CQRS, DDD.
• NATS Go Client - Go client for the NATS messaging system.
• nsq-event-bus - A tiny wrapper around NSQ topic and channel.
• oplog - Generic oplog/replication system for REST APIs.
• pubsub - Simple pubsub package for go.
• Quamina - Fast pattern-matching for filtering messages and events.
• rabbitroutine - Lightweight library that handles RabbitMQ auto-reconnect and publishing retries. The library takes into account the need to re-declare entities in RabbitMQ after reconnection.
• rabbus - A tiny wrapper over amqp exchanges and queues.
• rabtap - RabbitMQ swiss army knife cli app.
• RapidMQ - RapidMQ is a lightweight and reliable library for managing of the local messages queue.
• Ratus - Ratus is a RESTful asynchronous task queue server.
• redisqueue - redisqueue provides a producer and consumer of a queue that uses Redis streams.
• rmqconn - RabbitMQ Reconnection. Wrapper over amqp.Connection and amqp.Dial. Allowing to do a reconnection when the connection is broken before forcing the call to the Close () method to be closed.
• sarama - Go library for Apache Kafka.
• Uniqush-Push - Redis backed unified push service for server-side notifications to mobile devices.
• varmq - A storage-agnostic message queue and worker pool for concurrent Go programs.
• Watermill - Working efficiently with message streams. Building event driven applications, enabling event sourcing, RPC over messages, sagas. Can use conventional pub/sub implementations like Kafka or RabbitMQ, but also HTTP or MySQL binlog.
• zmq4 - Go interface to ZeroMQ version 4. Also available for version 3 and version 2.

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Microsoft Office

• unioffice - Pure go library for creating and processing Office Word (.docx), Excel (.xlsx) and Powerpoint (.pptx) documents.

Microsoft Excel

Libraries for working with Microsoft Excel.

• cellwalker - Virtually traverse Excel cell by cell's name.
• excelize - Golang library for reading and writing Microsoft Excel™ (XLSX) files.
• exl - Excel binding to struct written in Go.(Only supports Go1.18+)
• go-excel - A simple and light reader to read a relate-db-like excel as a table.
• xlsx - Library to simplify reading the XML format used by recent version of Microsoft Excel in Go programs.
• xlsx - Fast and safe way to read/update your existing Microsoft Excel files in Go programs.

Microsoft Word

Libraries for working with Microsoft Word.

• godocx - Library for reading and writing Microsoft Word (Docx) files.

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Miscellaneous

Dependency Injection

Libraries for working with dependency injection.

• alice - Additive dependency injection container for Golang.
• autowire - Dependency injection using Generics and reflection.
• boot-go - Component-based development with dependency injection using reflections for Go developers.
• componego - A dependency injection framework based on components, allowing dynamic dependency replacement without duplicating code in tests.
• cosban/di - A code generation based dependency injection wiring tool.
• di - A dependency injection container for go programming language.
• dig - A reflection based dependency injection toolkit for Go.
• dingo - A dependency injection toolkit for Go, based on Guice.
• do - A dependency injection framework based on Generics.
• fx - A dependency injection based application framework for Go (built on top of dig).
• go-beans - Spring-inspired dependency injection and application lifecycle framework for Go.
• Go-Spring - A high-performance Go framework inspired by Spring Boot, offering DI, auto-configuration, and lifecycle management while maintaining Go's simplicity and efficiency.
• gocontainer - Simple Dependency Injection Container.
• godi - Microsoft-style dependency injection for Go with scoped lifetimes and generics.
• goioc/di - Spring-inspired Dependency Injection Container.
• GoLobby/Container - GoLobby Container is a lightweight yet powerful IoC dependency injection container for the Go programming language.
• gontainer - A dependency injection service container for Go projects.
• gontainer/gontainer - A YAML-based Dependency Injection container for GO. It supports dependencies' scopes, and auto-detection of circular dependencies. Gontainer is concurrent-safe.
• HnH/di - DI container library that is focused on clean API and flexibility.
• kinit - Customizable dependency injection container with the global mode, cascade initialization and panic-safe finalization.
• kod - A generics based dependency injection framework for Go.
• linker - A reflection based dependency injection and inversion of control library with components lifecycle support.
• nject - A type safe, reflective framework for libraries, tests, http endpoints, and service startup.
• ore - Lightweight, generic & simple dependency injection (DI) container.
• parsley - A flexible and modular reflection-based DI library with advanced features like scoped contexts and proxy generation, designed for large-scale Go applications.
• wire - Strict Runtime Dependency Injection for Golang.

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Project Layout

Unofficial set of patterns for structuring projects.

• ardanlabs/service - A starter kit for building production grade scalable web service applications.
• cookiecutter-golang - A Go application boilerplate template for quick starting projects following production best practices.
• go-blueprint - Allows users to spin up a quick Go project using a popular framework.
• go-ddd - Domain-Driven Design template with CQRS, value objects, idempotent commands, and a transactional outbox.
• go-grpc-bazel-example - Example monorepo for Go gRPC microservices with Bazel, grpc-gateway, OpenAPI, and Kubernetes.
• go-module - Template for a typical module written on Go.
• go-rest-api-boilerplate - AI-friendly, production-ready Go REST API boilerplate with clean architecture, JWT authentication, RBAC, PostgreSQL, Docker hot-reload, and Swagger documentation.
• go-sample - A sample layout for Go application projects with the real code.
• go-starter - An opinionated production-ready RESTful JSON backend template, highly integrated with VSCode DevContainers.
• go-todo-backend - Go Todo Backend example using modular project layout for product microservice.
• goapp - An opinionated guideline to structure & develop a Go web application/service.
• gobase - A simple skeleton for golang application with basic setup for real golang application.
• golang-standards/project-layout - Set of common historical and emerging project layout patterns in the Go ecosystem. Note: despite the org-name they do not represent official golang standards, see this issue for more information. Nonetheless, some may find the layout useful.
• golang-templates/seed - Go application GitHub repository template.
• goxygen - Generate a modern Web project with Go and Angular, React, or Vue in seconds.
• insidieux/inizio - Golang project layout generator with plugins.
• kickstart.go - Minimalistic single-file Go HTTP server template without third-party dependencies.
• modern-go-application - Go application boilerplate and example applying modern practices.
• nunu - Nunu is a scaffolding tool for building Go applications.
• pagoda - Rapid, easy full-stack web development starter kit built in Go.
• scaffold - Scaffold generates a starter Go project layout. Lets you focus on business logic implemented.
• wangyoucao577/go-project-layout - Set of practices and discussions on how to structure Go project layout.

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Strings

Libraries for working with strings.

• bexp - Go implementation of Brace Expansion mechanism to generate arbitrary strings.
• caps - A case conversion library.
• go-formatter - Implements replacement fields surrounded by curly braces {} format strings.
• gobeam/Stringy - String manipulation library to convert string to camel case, snake case, kebab case / slugify etc.
• str - Pipeline-first string toolkit for composing transformations.
• strcase - Case-insensitive implementation of the standard library's strings/bytes packages.
• stringFormatter - String formatting like in Python or C# manner with the additional text formatting features.
• strutil - String utilities.
• sttr - cross-platform, cli app to perform various operations on string.
• xstrings - Collection of useful string functions ported from other languages.

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Uncategorized

These libraries were placed here because none of the other categories seemed to fit.

• anagent - Minimalistic, pluggable Golang evloop/timer handler with dependency-injection.
• antch - A fast, powerful and extensible web crawling & scraping framework.
• archives - a cross-platform, multi-format Go library for working with archives and compression formats with a unified API and as virtual file systems compatible with io/fs.
• autoflags - Go package to automatically define command line flags from struct fields.
• avgRating - Calculate average score and rating based on Wilson Score Equation.
• banner - Add beautiful banners into your Go applications.
• base64Captcha - Base64captch supports digit, number, alphabet, arithmetic, audio and digit-alphabet captcha.
• basexx - Convert to, from, and between digit strings in various number bases.
• battery - Cross-platform, normalized battery information library.
• bitio - Highly optimized bit-level Reader and Writer for Go.
• browscap_go - GoLang Library for Browser Capabilities Project.
• captcha - Package captcha provides an easy to use, unopinionated API for captcha generation.
• common - A library for server framework.
• conv - Package conv provides fast and intuitive conversions across Go types.
• datacounter - Go counters for readers/writer/http.ResponseWriter.
• fake-useragent - Up-to-date simple useragent faker with real world database in Golang
• faker - Random fake data and struct generator for Go.
• ffmt - Beautify data display for Humans.
• gatus - Automated service health dashboard.
• go-commandbus - A slight and pluggable command-bus for Go.
• go-commons-pool - Generic object pool for Golang.
• go-openapi - Collection of packages to parse and utilize open-api schemas.
• go-resiliency - Resiliency patterns for golang.
• go-unarr - Decompression library for RAR, TAR, ZIP and 7z archives.
• gofakeit - Random data generator written in go.
• goffi - Pure Go FFI with libffi-style typed call interface and structured error handling for calling C libraries without CGO.
• gommit - Analyze git commit messages to ensure they follow defined patterns.
• gopsutil - Cross-platform library for retrieving process and system utilization(CPU, Memory, Disks, etc).
• gosh - Provide Go Statistics Handler, Struct, Measure Method.
• gosms - Your own local SMS gateway in Go that can be used to send SMS.
• gotoprom - Type-safe metrics builder wrapper library for the official Prometheus client.
• gountries - Package that exposes country and subdivision data.
• gtree - Provide CLI, Package and Web for tree output and directories creation from Markdown or programmatically.
• health - A simple and flexible health check library for Go.
• health - Easy to use, extensible health check library.
• healthcheck - An opinionated and concurrent health-check HTTP handler for RESTful services.
• hostutils - A golang library for packing and unpacking FQDNs list.
• indigo - Distributed unique ID generator of using Sonyflake and encoded by Base58.
• lk - A simple licensing library for golang.
• llvm - Library for interacting with LLVM IR in pure Go.
• metrics - Library for metrics instrumentation and Prometheus exposition.
• morse - Library to convert to and from morse code.
• numa - NUMA is a utility library, which is written in go. It help us to write some NUMA-AWARED code.
• pdfgen - HTTP service to generate PDF from Json requests.
• persian - Some utilities for Persian language in go.
• purego - A library for calling C functions from Go without Cgo.
• sandid - Every grain of sand on earth has its own ID.
• shellwords - A Golang library to manipulate strings according to the word parsing rules of the UNIX Bourne shell.
• shortid - Distributed generation of super short, unique, non-sequential, URL friendly IDs.
• shoutrrr - Notification library providing easy access to various messaging services like slack, mattermost, gotify and smtp among others.
• sitemap-format - A simple sitemap generator, with a little syntactic sugar.
• stateless - A fluent library for creating state machines.
• stats - Monitors Go MemStats + System stats such as Memory, Swap and CPU and sends via UDP anywhere you want for logging etc...
• turtle - Emojis for Go.
• url-shortener - A modern, powerful, and robust URL shortener microservice with mysql support.
• VarHandler - Generate boilerplate http input and output handling.
• varint - A faster varying length integer encoder/decoder than the one provided in the standard library.
• xdg - FreeDesktop.org (xdg) Specs implemented in Go.
• xkg - X Keyboard Grabber.
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Natural Language Processing

Libraries for working with human languages.

See also Text Processing and Text Analysis.

Language Detection

• detectlanguage - Language Detection API Go Client. Supports batch requests, short phrase or single word language detection.
• getlang - Fast natural language detection package.
• guesslanguage - Functions to determine the natural language of a unicode text.
• lingua-go - An accurate natural language detection library, suitable for long and short text alike. Supports detecting multiple languages in mixed-language text.
• whatlanggo - Natural language detection package for Go. Supports 84 languages and 24 scripts (writing systems e.g. Latin, Cyrillic, etc).

Morphological Analyzers

• go-propisyu - Convert numbers to Russian words with correct grammatical gender and noun declension.
• go-stem - Implementation of the porter stemming algorithm.
• go2vec - Reader and utility functions for word2vec embeddings.
• golibstemmer - Go bindings for the snowball libstemmer library including porter 2.
• gosentiwordnet - Sentiment analyzer using sentiwordnet lexicon in Go.
• govader - Go implementation of VADER Sentiment Analysis.
• govader-backend - Microservice implementation of GoVader.
• kagome - JP morphological analyzer written in pure Go.
• libtextcat - Cgo binding for libtextcat C library. Guaranteed compatibility with version 2.2.
• nlp - Go Natural Language Processing library supporting LSA (Latent Semantic Analysis).
• paicehusk - Golang implementation of the Paice/Husk Stemming Algorithm.
• porter - This is a fairly straightforward port of Martin Porter's C implementation of the Porter stemming algorithm.
• porter2 - Really fast Porter 2 stemmer.
• RAKE.go - Go port of the Rapid Automatic Keyword Extraction Algorithm (RAKE).
• snowball - Snowball stemmer port (cgo wrapper) for Go. Provides word stem extraction functionality Snowball native.
• spaGO - Self-contained Machine Learning and Natural Language Processing library in Go.
• spelling-corrector - A spelling corrector for the Spanish language or create your own.

Slugifiers

• go-slugify - Make pretty slug with multiple languages support.
• slug - URL-friendly slugify with multiple languages support.
• Slugify - Go slugify application that handles string.

Tokenizers

• gojieba - This is a Go implementation of jieba which a Chinese word splitting algorithm.
• gotokenizer - A tokenizer based on the dictionary and Bigram language models for Golang. (Now only support chinese segmentation)
• gse - Go efficient text segmentation; support english, chinese, japanese and other.
• MMSEGO - This is a GO implementation of MMSEG which a Chinese word splitting algorithm.
• segment - Go library for performing Unicode Text Segmentation as described in Unicode Standard Annex #29
• sentences - Sentence tokenizer: converts text into a list of sentences.
• shamoji - The shamoji is word filtering package written in Go.
• stemmer - Stemmer packages for Go programming language. Includes English and German stemmers.
• textcat - Go package for n-gram based text categorization, with support for utf-8 and raw text.

Translation

• ctxi18n - Context aware i18n with a short and consise API, pluralization, interpolation, and fs.FS support. YAML locale definitions are based on Rails i18n.
• go-i18n - Package and an accompanying tool to work with localized text.
• go-mystem - CGo bindings to Yandex.Mystem - russian morphology analyzer.
• go-pinyin - CN Hanzi to Hanyu Pinyin converter.
• go-words - A words table and text resource library for Golang projects.
• gotext - GNU gettext utilities for Go.
• iuliia-go - Transliterate Cyrillic → Latin in every possible way.
• spreak - Flexible translation and humanization library for Go, based on the concepts behind gettext.
• t - Another i18n pkg for golang, which follows GNU gettext style and supports .po/.mo files: t.T (gettext), t.N (ngettext), etc. And it contains a cmd tool xtemplate, which can extract messages as a pot file from text/html template.

Transliteration

• enca - Minimal cgo bindings for libenca, which detects character encodings.
• go-unidecode - ASCII transliterations of Unicode text.
• gounidecode - Unicode transliterator (also known as unidecode) for Go.
• transliterator - Provides one-way string transliteration with supporting of language-specific transliteration rules.

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Networking

Libraries for working with various layers of the network.

• arp - Package arp implements the ARP protocol, as described in RFC 826.
• bart - Package bart provides a Balanced-Routing-Table (BART) for very fast IP to CIDR lookups and more.
• buffstreams - Streaming protocolbuffer data over TCP made easy.
• canopus - CoAP Client/Server implementation (RFC 7252).
• cdns - Change DNS servers effortlessly via terminal.
• chicha-ip-proxy - Zero-configuration TCP/UDP port proxy with autostart, IP-based access control, and OS-level network stack tuning.
• cidranger - Fast IP to CIDR lookup for Go.
• cloudflared - Cloudflare Tunnel client (formerly Argo Tunnel).
• dhcp6 - Package dhcp6 implements a DHCPv6 server, as described in RFC 3315.
• dns - Go library for working with DNS.
• dnsmonster - Passive DNS Capture/Monitoring Framework.
• easytcp - A light-weight TCP framework written in Go (Golang), built with message router. EasyTCP helps you build a TCP server easily fast and less painful.
• ether - Cross-platform Go package for sending and receiving ethernet frames.
• ethernet - Package ethernet implements marshaling and unmarshalling of IEEE 802.3 Ethernet II frames and IEEE 802.1Q VLAN tags.
• event - Simple I/O event notification library written in Golang.
• fasthttp - Package fasthttp is a fast HTTP implementation for Go, up to 10 times faster than net/http.
• fibersse - Production-grade Server-Sent Events (SSE) for Fiber v3 with event coalescing, priority lanes, topic wildcards, adaptive throttling, and built-in auth.
• fortio - Load testing library and command line tool, advanced echo server and web UI. Allows to specify a set query-per-second load and record latency histograms and other useful stats and graph them. Tcp, Http, gRPC.
• ftp - Package ftp implements a FTP client as described in RFC 959.
• ftpserverlib - Fully featured FTP server library.
• fullproxy - A fully featured scriptable and daemon configurable proxy and pivoting toolkit with SOCKS5, HTTP, raw ports and reverse proxy protocols.
• fwdctl - A simple and intuitive CLI to manage IPTables forwards in your Linux server.
• gaio - High performance async-io networking for Golang in proactor mode.
• gev - gev is a lightweight, fast non-blocking TCP network library based on Reactor mode.
• gldap - gldap provides an ldap server implementation and you provide handlers for its ldap operations.
• gmqtt - Gmqtt is a flexible, high-performance MQTT broker library that fully implements the MQTT protocol V3.1.1.
• gnet - gnet is a high-performance, lightweight, non-blocking, event-driven networking framework written in pure Go.
• gnet - gnet is a high-performance networking framework,especially for game servers.
• gNxI - A collection of tools for Network Management that use the gNMI and gNOI protocols.
• go-getter - Go library for downloading files or directories from various sources using a URL.
• go-multiproxy - Library for making HTTP requests through a pool of proxies offering fault tolerance, load balancing, automatic retries, cookie management, and more, via http.Get/Post replacement or http.Client RoundTripper drop-in
• go-pcaplite - Lightweight live packet capture library with HTTPS SNI extraction.
• go-powerdns - PowerDNS API bindings for Golang.
• go-sse - Go client and server implementation of HTML server-sent events.
• go-stun - Go implementation of the STUN client (RFC 3489 and RFC 5389).
• gobgp - BGP implemented in the Go Programming Language.
• gopacket - Go library for packet processing with libpcap bindings.
• gopcap - Go wrapper for libpcap.
• GoProxy - A library to create a customized HTTP/HTTPS proxy server using Go.
• goshark - Package goshark use tshark to decode IP packet and create data struct to analyse packet.
• gosnmp - Native Go library for performing SNMP actions.
• gotcp - Go package for quickly writing tcp applications.
• grab - Go package for managing file downloads.
• graval - Experimental FTP server framework.
• gws - High-Performance WebSocket Server & Client With AsyncIO Supporting .
• HTTPLab - HTTPLabs let you inspect HTTP requests and forge responses.
• httpproxy - HTTP proxy handler and dialer.
• iplib - Library for working with IP addresses (net.IP, net.IPNet), inspired by python ipaddress and ruby ipaddr
• jazigo - Jazigo is a tool written in Go for retrieving configuration for multiple network devices.
• kcp-go - KCP - Fast and Reliable ARQ Protocol.
• lhttp - Powerful websocket framework, build your IM server more easily.
• linkio - Network link speed simulation for Reader/Writer interfaces.
• llb - It's a very simple but quick backend for proxy servers. Can be useful for fast redirection to predefined domain with zero memory allocation and fast response.
• macwifi - Wi-Fi scanning and Keychain password retrieval for macOS 13+.
• mdns - Simple mDNS (Multicast DNS) client/server library in Golang.
• mqttPaho - The Paho Go Client provides an MQTT client library for connection to MQTT brokers via TCP, TLS or WebSockets.
• natiu-mqtt - A dead-simple, non-allocating, low level implementation of MQTT well suited for embedded systems.
• nbio - Pure Go 1000k+ connections solution, support tls/http1.x/websocket and basically compatible with net/http, with high-performance and low memory cost, non-blocking, event-driven, easy-to-use.
• net - This repository holds supplementary Go networking libraries.
• netchan - Network Channels (netchan) for Golang: Secure, cluster-ready, supports nested channels & any data type. Inspired by Rob Pike.
• nethawk - Terminal UI for real-time network traffic capture, analysis, and attack detection with JSON output mode.
• netpoll - A high-performance non-blocking I/O networking framework, which focused on RPC scenarios, developed by ByteDance.
• NFF-Go - Framework for rapid development of performant network functions for cloud and bare-metal (former YANFF).
• nodepass - A secure, efficient TCP/UDP tunneling solution that delivers fast, reliable access across network restrictions using pre-established TCP/QUIC/WebSocket or HTTP/2 connections.
• peerdiscovery - Pure Go library for cross-platform local peer discovery using UDP multicast.
• portproxy - Simple TCP proxy which adds CORS support to API's which don't support it.
• proxq - Asynchronous reverse proxy that queues each request in Redis and returns a job ID to poll for the response, with path-prefix routing, retries, and caching.
• psql-wire - PostgreSQL server wire protocol. Build your own server and start serving connections..
• publicip - Package publicip returns your public facing IPv4 address (internet egress).
• quic-go - An implementation of the QUIC protocol in pure Go.
• roamr - CLI that scores nearby saved WiFi networks and tells you which to use, and why.
• sdns - A high-performance, recursive DNS resolver server with DNSSEC support, focused on preserving privacy.
• sftp - Package sftp implements the SSH File Transfer Protocol as described in https://filezilla-project.org/specs/draft-ietf-secsh-filexfer-02.txt.
• ssh - Higher-level API for building SSH servers (wraps crypto/ssh).
• sslb - It's a Super Simples Load Balancer, just a little project to achieve some kind of performance.
• stun - Go implementation of RFC 5389 STUN protocol.
• tcpack - tcpack is an application protocol based on TCP to Pack and Unpack bytes stream in go program.
• tspool - A TCP Library use worker pool to improve performance and protect your server.
• tun2socks - A pure go implementation of tun2socks powered by gVisor TCP/IP stack.
• utp - Go uTP micro transport protocol implementation.
• vssh - Go library for building network and server automation over SSH protocol.
• water - Simple TUN/TAP library.
• webrtc - A pure Go implementation of the WebRTC API.
• winrm - Go WinRM client to remotely execute commands on Windows machines.
• xtcp - TCP Server Framework with simultaneous full duplex communication, graceful shutdown, and custom protocol.

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HTTP Clients

Libraries for making HTTP requests.

• axios4go - A Go HTTP client library inspired by Axios, providing a simple and intuitive API for making HTTP requests.
• azuretls-client - An easy-to-use HTTP client 100% in Go to spoof TLS/JA3 and HTTP2 fingerprint.
• fast-shot - Hit your API targets with rapid-fire precision using Go's fastest and simple HTTP Client.
• gentleman - Full-featured plugin-driven HTTP client library.
• go-cleanhttp - Get easily stdlib HTTP client, which does not share any state with other clients.
• go-http-client - Make http calls simply and easily.
• go-ipmux - A library for Multiplexing HTTP requests based on multiple Source IPs.
• go-otelroundtripper - Go http.RoundTripper that emits open telemetry metrics for HTTP requests.
• go-req - Declarative golang HTTP client.
• go-retryablehttp - Retryable HTTP client in Go.
• go-zoox/fetch - A Powerful, Lightweight, Easy Http Client, inspired by Web Fetch API.
• Grequest - Simple and lightweight golang package for http requests. based on powerful net/http
• grequests - A Go "clone" of the great and famous Requests library.
• hedge - Adaptive hedged requests for Go. Cuts p99 latency with zero configuration, based on Google's "The Tail at Scale" paper.
• heimdall - An enhanced http client with retry and hystrix capabilities.
• httpretry - Enriches the default go HTTP client with retry functionality.
• impersonate-http - Drop-in net/http.Client with a byte-exact browser TLS (JA3/JA4) and HTTP/2 (Akamai) fingerprint.
• pester - Go HTTP client calls with retries, backoff, and concurrency.
• req - Simple Go HTTP client with Black Magic (Less code and More efficiency).
• request - HTTP client for golang. If you have experience about axios or requests, you will love it. No 3rd dependency.
• requests - HTTP requests for Gophers. Uses context.Context and doesn't hide the underlying net/http.Client, making it compatible with standard Go APIs. Also includes testing tools.
• resty - Simple HTTP and REST client for Go inspired by Ruby rest-client.
• rq - A nicer interface for golang stdlib HTTP client.
• sling - Sling is a Go HTTP client library for creating and sending API requests.
• surf - Advanced HTTP client with HTTP/1.1, HTTP/2, HTTP/3 (QUIC), SOCKS5 proxy support and browser-grade TLS fingerprinting.
• tls-client - net/http.Client like HTTP Client with options to select specific client TLS Fingerprints to use for requests.

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OpenGL

Libraries for using OpenGL in Go.

• gl - Go bindings for OpenGL (generated via glow).
• glfw - Go bindings for GLFW 3.
• go-glmatrix - Go port of glMatrix library.
• goxjs/gl - Go cross-platform OpenGL bindings (OS X, Linux, Windows, browsers, iOS, Android).
• goxjs/glfw - Go cross-platform glfw library for creating an OpenGL context and receiving events.
• mathgl - Pure Go math package specialized for 3D math, with inspiration from GLM.

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ORM

Libraries that implement Object-Relational Mapping or datamapping techniques.

• bob - SQL query builder and ORM/Factory generator for Go. Successor of SQLBoiler.
• bun - SQL-first Golang ORM. Successor of go-pg.
• cacheme - Schema based, typed Redis caching/memoize framework for Go.
• CQL - Built on top of GORM, adds compile-time verified queries based on auto-generated code.
• ent - An entity framework for Go. Simple, yet powerful ORM for modeling and querying data.
• go-dbw - A simple package that encapsulates database operations.
• go-firestorm - A simple ORM for Google/Firebase Cloud Firestore.
• go-sql - A easy ORM for mysql.
• go-sqlbuilder - A flexible and powerful SQL string builder library plus a zero-config ORM.
• go-store - Simple and fast Redis backed key-value store library for Go.
• golobby/orm - Simple, fast, type-safe, generic orm for developer happiness.
• GORM - The fantastic ORM library for Golang, aims to be developer friendly.
• gormt - Mysql database to golang gorm struct.
• gorp - Go Relational Persistence, ORM-ish library for Go.
• grimoire - Grimoire is a database access layer and validation for golang. (Support: MySQL, PostgreSQL and SQLite3).
• lore - Simple and lightweight pseudo-ORM/pseudo-struct-mapping environment for Go.
• marlow - Generated ORM from project structs for compile time safety assurances.
• pop/soda - Database migration, creation, ORM, etc... for MySQL, PostgreSQL, and SQLite.
• Prisma - Prisma Client Go, Typesafe database access for Go.
• reform - Better ORM for Go, based on non-empty interfaces and code generation.
• rel - Modern Database Access Layer for Golang - Testable, Extendable and Crafted Into a Clean and Elegant API.
• SQLBoiler - ORM generator. Generate a featureful and blazing-fast ORM tailored to your database schema.
• upper.io/db - Single interface for interacting with different data sources through the use of adapters that wrap mature database drivers.
• XORM - Simple and powerful ORM for Go. (Support: MySQL, MyMysql, PostgreSQL, Tidb, SQLite3, MsSql and Oracle).
• Zoom - Blazing-fast datastore and querying engine built on Redis.

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Package Management

Official tooling for dependency and package management

• go modules - Modules are the unit of source code interchange and versioning. The go command has direct support for working with modules, including recording and resolving dependencies on other modules.

Unofficial libraries for package and dependency management.

• gup - Update binaries installed by "go install".
• modup - Terminal UI for Go dependency updates with outdated module detection and selective upgrading.
• syft - A CLI tool and Go library for generating a Software Bill of Materials (SBOM) from container images and filesystems.

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Performance

• ebpf-go - Provides utilities for loading, compiling, and debugging eBPF programs.
• go-instrument - Automatically add spans to all methods and functions.
• go-perfstat - Lightweight performance statistics and execution time aggregation for Go.
• jaeger - A distributed tracing system.
• mm-go - Generic manual memory management for golang.
• otelinji - OpenTelemetry auto-instrumentation tool for adding spans to functions.
• pixie - No instrumentation tracing for Golang applications via eBPF.
• profile - Simple profiling support package for Go.
• statsviz - Live visualization of your Go application runtime statistics.
• tracer - Simple, lightweight tracing.

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Query Language

• api-fu - Comprehensive GraphQL implementation.
• dasel - Query and update data structures using selectors from the command line. Comparable to jq/yq but supports JSON, YAML, TOML and XML with zero runtime dependencies.
• gojsonq - A simple Go package to Query over JSON Data.
• goven - A drop-in query language for any database schema.
• gqlgen - go generate based graphql server library.
• grapher - A GraphQL field builder utilizing Go generics with extra utilities and features.
• graphql - GraphQL server with a focus on ease of use.
• graphql-go - Implementation of GraphQL for Go.
• gws - Apollos' "GraphQL over Websocket" client and server implementation.
• jsonpath - A query library for retrieving part of JSON based on JSONPath syntax.
• jsonql - JSON query expression library in Golang.
• jsonslice - Jsonpath queries with advanced filters.
• mql - Model Query Language (mql) is a query language for your database models.
• play - A TUI playground to experiment with your favorite programs, such as grep, sed, awk, jq and yq.
• rql - Resource Query Language for REST API.
• rqp - Query Parser for REST API. Filtering, validations, both AND, OR operations are supported directly in the query.
• straf - Easily Convert Golang structs to GraphQL objects.

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Reflection

• copy - Package for fast copying structs of different types.
• Deepcopier - Simple struct copying for Go.
• go-deepcopy - Fast deep copy library.
• goenum - A common enumeration struct based on generics and reflection that allows you to quickly define enumerations and use a set of useful default methods.
• gotype - Golang source code parsing, usage like reflect package.
• gpath - Library to simplify access struct fields with Go's expression in reflection.
• objwalker - Walk by go objects with reflection.
• reflectpro - Callers, copiers, getters and setters for go.
• reflectutils - Helpers for working with reflection: struct tag parsing; recursive walking; fill value from string.

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Resource Embedding

• debme - Create an embed.FS from an existing embed.FS subdirectory.
• embed - Package embed provides access to files embedded in the running Go program.
• rebed - Recreate folder structures and files from Go 1.16's embed.FS type
• vfsgen - Generates a vfsdata.go file that statically implements the given virtual filesystem.

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Science and Data Analysis

Libraries for scientific computing and data analyzing.

• bradleyterry - Provides a Bradley-Terry Model for pairwise comparisons.
• calendarheatmap - Calendar heatmap in plain Go inspired by Github contribution activity.
• chart - Simple Chart Plotting library for Go. Supports many graphs types.
• dataframe-go - Dataframes for machine-learning and statistics (similar to pandas).
• decimal - Package decimal implements arbitrary-precision decimal floating-point arithmetic.
• entitydebs - A social science tool to programmatically analyze entities in non-fictional texts with a built-in dependency parser.
• evaler - Simple floating point arithmetic expression evaluator.
• ewma - Exponentially-weighted moving averages.
• geom - 2D geometry for golang.
• go-dsp - Digital Signal Processing for Go.
• go-estimate - State estimation and filtering algorithms in Go.
• go-gt - Graph theory algorithms written in "Go" language.
• go-hep - A set of libraries and tools for performing High Energy Physics analyses with ease.
• godesim - Extended/multivariable ODE solver framework for event-based simulations with simple API.
• goent - GO Implementation of Entropy Measures.
• gograph - A golang generic graph library that provides mathematical graph-theory and algorithms.
• gonum - Gonum is a set of numeric libraries for the Go programming language. It contains libraries for matrices, statistics, optimization, and more.
• gonum/plot - gonum/plot provides an API for building and drawing plots in Go.
• goraph - Pure Go graph theory library(data structure, algorithm visualization).
• gosl - Go scientific library for linear algebra, FFT, geometry, NURBS, numerical methods, probabilities, optimisation, differential equations, and more.
• GoStats - GoStats is an Open Source GoLang library for math statistics mostly used in Machine Learning domains, it covers most of the Statistical measures functions.
• graph - Library of basic graph algorithms.
• hdf5 - Pure Go implementation of the HDF5 file format for scientific data storage and exchange.
• insyra - Data analysis library with statistics, visualization, Parquet support, and Python integration.
• jsonl-graph - Tool to manipulate JSONL graphs with graphviz support.
• matlab - Pure Go library for reading and writing MATLAB .mat files (v5-v7.3) without CGO.
• MatProInterface.go - MatProInterface.go is an open source package for defining mathematical programs (e.g., convex optimization problems) in Go.
• matrix - A clean, generic, zero-dependency matrix math package for Go with support for arithmetic, decompositions, and linear system solving.
• ode - Ordinary differential equation (ODE) solver which supports extended states and channel-based iteration stop conditions.
• orb - 2D geometry types with clipping, GeoJSON and Mapbox Vector Tile support.
• pagerank - Weighted PageRank algorithm implemented in Go.
• piecewiselinear - Tiny linear interpolation library.
• PiHex - Implementation of the "Bailey-Borwein-Plouffe" algorithm for the hexadecimal number Pi.
• Poly - A Go package for engineering organisms.
• rootfinding - root-finding algorithms library for finding roots of quadratic functions.
• sparse - Go Sparse matrix formats for linear algebra supporting scientific and machine learning applications, compatible with gonum matrix libraries.
• stats - Statistics package with common functions missing from the Golang standard library.
• streamtools - general purpose, graphical tool for dealing with streams of data.
• taxonkit - A practical and efficient NCBI taxonomy toolkit; supports querying lineage, reformatting, filtering, and creating custom taxdump files.
• TextRank - TextRank implementation in Golang with extendable features (summarization, weighting, phrase extraction) and multithreading (goroutine) support.
• topk - Sliding-window and regular top-K sketches, based on the HeavyKeeper algorithm.
• triangolatte - 2D triangulation library. Allows translating lines and polygons (both based on points) to the language of GPUs.

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Security

Libraries that are used to help make your application more secure.

• acmetool - ACME (Let's Encrypt) client tool with automatic renewal.
• acme-proxy - Solve ACME http-01 challenge without opening port 80 to the internet, obtain certs from an external certificate authority.
• acopw-go - Small cryptographically secure password generator package for Go.
• acra - Network encryption proxy to protect database-based applications from data leaks: strong selective encryption, SQL injections prevention, intrusion detection system.
• aes-ctr-drbg - A Deterministic Random Bit Generator based on AES in Counter mode (AES-CTR-DRBG) as specified in NIST SP 800-90A.
• age - A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.
• argon2-hashing - light wrapper around Go's argon2 package that closely mirrors with Go's standard library Bcrypt and simple-scrypt package.
• autocert - Auto provision Let's Encrypt certificates and start a TLS server.
• BadActor - In-memory, application-driven jailer built in the spirit of fail2ban.
• beelzebub - A secure low code honeypot framework, leveraging AI for System Virtualization.
• booster - Fast initramfs generator with full-disk encryption support.
• Cameradar - Tool and library to remotely hack RTSP streams from surveillance cameras.
• canery - Minimal, stateless authorization engine with a pluggable evaluation model.
• certificates - An opinionated tool for generating tls certificates.
• CertMagic - Mature, robust, and powerful ACME client integration for fully-managed TLS certificate issuance and renewal.
• Coraza - Enterprise-ready, modsecurity and OWASP CRS compatible WAF library.
• Crenox - Zero-dependency pre-commit secret scanner using Aho-Corasick for high-performance credentials leak detection.
• deidentify - Deterministic, format-preserving removal of personally identifiable information from text and structured data.
• dongle - A simple, semantic and developer-friendly golang package for encoding&decoding and encryption&decryption.
• dotlock - Encrypted .env vault manager with interactive TUI for managing secrets across multiple environments and profiles.
• encid - Encode and decode encrypted integer IDs.
• entpassgen - Entropy Password Generator with extensive command line arguments to generate random strings securely including digits, passwords, and passwords built using obscure dictionary words mixed with symbols and digits.
• firewalld-rest - A rest application to dynamically update firewalld rules on a linux server.
• fort - Audits macOS security settings across 16 checks, reports a score, and fixes issues where it safely can. Single binary, installable via Homebrew.
• go-generate-password - Password generator that can be used on the cli or as a library.
• go-htpasswd - Apache htpasswd Parser for Go.
• go-password-validator - Password validator based on raw cryptographic entropy values.
• go-peer - A software library for creating secure and anonymous decentralized systems.
• go-yara - Go Bindings for YARA, the "pattern matching swiss knife for malware researchers (and everyone else)".
• goArgonPass - Argon2 password hash and verification designed to be compatible with existing Python and PHP implementations.
• goSecretBoxPassword - A probably paranoid package for securely hashing and encrypting passwords.
• gost-crypto - Go library for Russian GOST cryptographic standards (digital signatures, Streebog hash, Kuznechik cipher, MGM AEAD) backed by OpenSSL gost-engine.
• gspy - Forensic goroutine-to-syscall inspector for live Go processes.
• Interpol - Rule-based data generator for fuzzing and penetration testing.
• leakhound - Static analysis tool to detect accidental logging of sensitive struct fields, preventing data leaks in logs.
• lego - Pure Go ACME client library and CLI tool (for use with Let's Encrypt).
• luks.go - Pure Golang library to manage LUKS partitions.
• mcprobe - Security scanner for MCP servers with prompt injection detection, tool shadowing, and SARIF output.
• memguard - A pure Go library for handling sensitive values in memory.
• multikey - An n-out-of-N keys encryption/decryption framework based on Shamir's Secret Sharing algorithm.
• nacl - Go implementation of the NaCL set of API's.
• optimus-go - ID hashing and Obfuscation using Knuth's Algorithm.
• passlib - Futureproof password hashing library.
• passwap - Provides a unified implementation between different password hashing algorithms
• pii-shield - Zero-code log sanitization sidecar for Kubernetes that redacts PII from logs.
• pm - Unix-style password manager written in Go to save your data with OpenPGP encryption.
• procscope - Process-scoped runtime investigator using eBPF to trace process lifecycle, file activity, and network connections.
• qrand - Client for the ANU Quantum Numbers (AQN) API, providing quantum-mechanically secure random data.
• Razify - CLI to scan, validate and audit .env files for leaked secrets and environment drift.
• redact - Redact sensitive information from slog-based logs using a configurable pipeline.
• SafeDep/vet - Protect against malicious open source packages.
• secret - Prevent your secrets from leaking into logs, std* etc.
• secretgenerator - CSPRNG-backed credential generator with a versioned JSON schema for passwords, passphrases, secrets, API keys, and PINs.
• secure - HTTP middleware for Go that facilitates some quick security wins.
• secureio - An keyexchanging+authenticating+encrypting wrapper and multiplexer for io.ReadWriteCloser based on XChaCha20-poly1305, ECDH and ED25519.
• simple-scrypt - Scrypt package with a simple, obvious API and automatic cost calibration built-in.
• ssh-vault - encrypt/decrypt using ssh keys.
• sslmgr - SSL certificates made easy with a high level wrapper around acme/autocert.
• teler-waf - teler-waf is a Go HTTP middleware that provide teler IDS functionality to protect against web-based attacks and improve the security of Go-based web applications. It is highly configurable and easy to integrate into existing Go applications.
• themis - high-level cryptographic library for solving typical data security tasks (secure data storage, secure messaging, zero-knowledge proof authentication), available for 14 languages, best fit for multi-platform apps.
• urusai - Urusai ("noisy" in Japanese) is a Go implementation of a random HTTP/DNS traffic noise generator that helps protect privacy by creating digital smokescreens while browsing.
• veil - Local HTTPS proxy that hides API credentials from AI coding agents. OS keychain integration, format-aware placeholders, SQLite audit log.

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Serialization

Libraries and tools for binary serialization.

• bambam - generator for Cap'n Proto schemas from go.
• bel - Generate TypeScript interfaces from Go structs/interfaces. Useful for JSON RPC.
• binstruct - Golang binary decoder for mapping data into the structure.
• cbor - Small, safe, and easy CBOR encoding and decoding library.
• colfer - Code generation for the Colfer binary format.
• csvutil - High Performance, idiomatic CSV record encoding and decoding to native Go structures.
• elastic - Convert slices, maps or any other unknown value across different types at run-time, no matter what.
• fixedwidth - Fixed-width text formatting (UTF-8 supported).
• fwencoder - Fixed width file parser (encoding and decoding library) for Go.
• go-capnproto - Cap'n Proto library and parser for go.
• go-codec - High Performance, feature-Rich, idiomatic encode, decode and rpc library for msgpack, cbor and json, with runtime-based OR code-generation support.
• go-csvlib - High level and rich functionalities CSV serialization/deserialization library.
• goprotobuf - Go support, in the form of a library and protocol compiler plugin, for Google's protocol buffers.
• gotiny - Efficient Go serialization library, gotiny is almost as fast as serialization libraries that generate code.
• jsoniter - High-performance 100% compatible drop-in replacement of "encoding/json".
• mus-go - MUS format serializer for Go.
• php_session_decoder - GoLang library for working with PHP session format and PHP Serialize/Unserialize functions.
• pletter - A standard way to wrap a proto message for message brokers.
• proto - Parser and writer for Google ProtocolBuffers .proto files.
• structomap - Library to easily and dynamically generate maps from static structures.
• unitpacking - Library to pack unit vectors into as fewest bytes as possible.

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Server Applications

• algernon - HTTP/2 web server with built-in support for Lua, Markdown, GCSS and Amber.
• Caddy - Ca