Code Quality GitHub Repositories

Open-source AI penetration testing tool to find and fix your app’s vulnerabilities.

A tool to enforce Swift style and conventions.

Open-source platform for creating safe, isolated production sandboxes for API, integration, and E2E testing.

Modern C++ Programming Course (C++03/11/14/17/20/23/26)

A static analyzer for Java, C, C++, and Objective-C

⚙️ A curated list of static analysis (SAST) tools and linters for all programming languages, config files, build tools, and more. The focus is on tools which improve code quality.

Programming style, best practices, and coding conventions.

Continuous Inspection

Combination of multiple linters to run as a GitHub Action or standalone

Collection of awesome Java project on Github(非常棒的 Java 开源项目集合).

🐶 Automated code review tool integrated with any code analysis tools regardless of programming language

Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.

Static code analysis for Kotlin

A fast type checker and language server for Python

DeepAudit：人人拥有的 AI 黑客战队，让漏洞挖掘触手可及。国内首个开源的代码漏洞挖掘多智能体系统。小白一键部署运行，自主协作审计 + 自动化沙箱 PoC 验证。支持 Ollama 私有部署 ，一键生成报告。支持中转站。​让安全不再昂贵，让审计不再复杂。

💩State-of-the-art shitcode principles your project should follow to call it a proper shitcode

Copy/paste detector for programming source code, supports 223 formats. AI-ready with token-efficient reporter, skill and MCP server.

Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.

ESLint plugin with rules that help validate proper imports.

It's not just a linter that annoys you!

An extensible multilanguage static code analyzer.

Code coverage for Ruby with a powerful configuration library and automatic merging of coverage across test suites

Codebase intelligence for TypeScript and JavaScript. Free static analysis of code and styles: unused code, duplication, circular deps, complexity hotspots, architecture boundaries, design-system drift. Optional paid runtime layer (Fallow Runtime): hot-path review and cold-path deletion evidence from real production traffic.

A PHP code-quality tool

Source code spell checker

⚙️ The static code analysis tool you need for your HTML

💎 Code quality CLI for universal linting, auto-formatting, security scanning, and maintainability

The strictest and most opinionated python linter ever!

Real-time architectural sensor that helps AI agents close the feedback loop, enabling recursive self-improvement of code quality. Pure Rust.

A Python tool to visualize + enforce dependencies, using modular architecture 🌎 Open source 🐍 Installable via pip 🔧 Able to be adopted incrementally - ⚡ Implemented with no runtime impact ♾️ Interoperable with your existing systems 🦀 Written in rust