A universal resource directory collecting high-quality curated open source project lists on various topics, helping you find reliable tools in one place.

Open-source codebase for the world's famous free coding platform, offering complete curricula from beginner to full-stack development.

A massive collection of free programming eBooks from around the world, helping you save money and time by finding learning resources in one place.

A personal AI assistant running on your own devices, integrating directly with chat apps like WeChat and WhatsApp to handle tasks with full data privacy.

A website offering interactive learning roadmaps to help developers plan their technical growth across fields like frontend, backend, AI, and more.

A curated list of Python libraries and tools covering development, data, AI, and more, helping you find reliable resources quickly.

A comprehensive list of free software that you can host on your own servers, helping you replace commercial cloud services.

This is a tool that makes building web interfaces easy, letting you write frontend code like assembling building blocks, suitable for those wanting to build dynamic websites.

A Rust-based command-line tool that lets you call AI assistants (mainly Anthropic's Claude) directly in your terminal, suitable for developers who prefer CLI workflows.

The core source code of Microsoft's free code editor, supporting editing, debugging, and extensions for multiple programming languages, one of the most popular tools for developers.

A platform to build and run AI agents, letting you command AI to automatically complete complex tasks using natural language, perfect for AI automation explorers.

An open-source mobile development framework by Google that lets you build beautiful, fast apps for iOS, Android, Web, and Desktop from a single codebase.

A toolkit that makes web development easier, helping you quickly build front-end interfaces that look great on both phones and computers.

A curated list of Go resources that helps you quickly find useful frameworks, libraries, and tools, saving you from searching everywhere.

The world's largest open-source AI prompt library featuring high-quality templates for various scenarios. Compatible with ChatGPT, Claude, and more, helping you leverage AI faster.

An open-source platform offering completely free top-level domains, allowing you to own a website address without cost, compatible with mainstream DNS providers.

An open-source real-time face swap tool that instantly replaces your face in webcam or video with a single photo, supporting live streaming and recording with simple operation but requiring decent hardware.

This is a curated list of free computer science video courses from top universities globally, saving you search time and leading directly to the knowledge you want, covering basics to advanced topics.

A comprehensive cheatsheet for cyber security, collecting common attack payloads and bypass techniques for penetration testing and CTF competitions, ideal for security researchers to reference quickly.

A web server that automatically handles HTTPS encryption certificates, simple to configure, ready to use, and more hassle-free than Nginx.