Repositories

Master programming by recreating your favorite technologies from scratch.

😎 Awesome lists about all kinds of interesting topics

A collective list of free APIs

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

A complete computer science study plan to become a software engineer.

An agentic skills framework & software development methodology that works.

Skills for Real Engineers. Straight from my .agents directory.

A single CLAUDE.md file to improve Claude Code behavior, derived from Andrej Karpathy's observations on LLM coding pitfalls.

An Open Source Machine Learning Framework for Everyone

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

Python - 100天从新手到大师

A feature-rich command-line audio/video downloader

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Public repository for Agent Skills

Java 面试 & 后端通用面试指南，覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

JavaScript Style Guide

A complete AI agency at your fingertips - From frontend wizards to Reddit community ninjas, from whimsy injectors to reality checkers. Each agent is a specialized expert with personality, processes, and proven deliverables.

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

Microsoft PowerToys is a collection of utilities that supercharge productivity and customization on Windows

The Go programming language

A list of SaaS, PaaS and IaaS offerings that have free tiers of interest to devops and infradev

The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.

A cross-platform desktop All-in-One assistant for Claude Code, Codex, OpenCode, OpenClaw, Grok Build & Hermes Agent. Only official website: ccswitch.io

LLM inference in C/C++

Build cross-platform desktop apps with JavaScript, HTML, and CSS

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

A collection of various awesome lists for hackers, pentesters and security researchers

21 Lessons, Get Started Building with Generative AI

Godot Engine – Multi-platform 2D and 3D game engine

High performance self-hosted photo and video management solution.

 This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.

利用 AI 大模型和自动化工作流，根据主题或关键词一键生成高清短视频。Generate HD short videos from a topic or keyword with an automated AI workflow.

✅ The Node.js best practices list (July 2026)

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

Vim-fork focused on extensibility and usability

Deliver web apps with confidence 🚀

科技爱好者周刊，每周五发布

Material UI: Comprehensive React component library that implements Google's Material Design. Free forever.

Node Version Manager - POSIX-compliant bash script to manage multiple active node.js versions. $nvm: 3ArcxqLtXMmBnWbbtfwQgVL3MNnDsggzgGDtXMnjpump

Design patterns implemented in Java

AI agent toolkit: unified LLM API, agent loop, TUI, coding agent CLI

Animation engine for explanatory math videos

Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More

Bitcoin Core integration/staging tree

12 weeks, 26 lessons, 52 quizzes, classic Machine Learning for all

An extremely fast Python package and project manager, written in Rust.

Code at the speed of thought – Zed is a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.

An open-source cross-platform alternative to AirDrop

Production-grade engineering skills for AI coding agents.