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 comprehensive study roadmap for acing tech interviews at top companies, covering data structures, algorithms, and core CS concepts to save you from blind studying.

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.

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 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.

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.

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.

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

An open-source script tool for Windows and Office activation, offering multiple methods to help users complete system activation quickly, suitable for individuals solving authorization issues.

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

A tool that lets you easily run large models on your own computer, chat with AI offline, completely free and privacy-friendly.

This is a configuration system that makes AI coding assistants (like Claude Code, Cursor) smarter, safer, and more efficient, turning AI into a real productivity tool.

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.

A Python library that lets anyone easily use top-tier AI models for text, images, and audio without training from scratch.