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 comprehensive guide to system design, helping you ace big tech interviews with included flashcards.

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.

This is the core source code of the Linux operating system, acting as the computer's brain to manage hardware and resources. It is suitable for those who want to deeply understand or modify the system layer.

This is a comprehensive collection of classic algorithms implemented in Python, suitable for students and job seekers to practice programming basics and prepare for technical interviews, with clear and runnable code.

A complete roadmap for free self-taught computer science education, gathering open course resources from top universities worldwide to help you master computer basics systematically.

Google's open-source machine learning framework that helps you easily build and deploy AI models, suitable for research and development.

An open-source framework that makes your terminal more useful and beautiful, packed with plugins and themes to boost command-line efficiency.

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.

This tool lets you automate tasks like building blocks, connecting various apps with code and AI support, keeping data under your control without subscription fees.

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.

A systematic Python learning guide with 100-day daily tasks, suitable for absolute beginners, covering basic syntax to practical projects.

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.

An official collection of Git ignore rule templates by GitHub, helping you configure projects quickly and avoid committing useless files.