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

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 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.

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.

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.

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

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.

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.

A plugin that adds a structured methodology to AI coding assistants, making them plan before coding to reduce errors and boost efficiency.

A comprehensive Java interview and backend development guide covering basics, architecture, and AI apps to help you ace interviews and get promoted.

An open-source AI coding assistant running on your terminal or desktop, helping write code and fix bugs for free without uploading data to the cloud.

A platform that lets anyone easily build AI apps with minimal coding, turning large models into practical tools via drag-and-drop.

An open-source project collecting useful code snippets and programming articles to help you quickly solve development issues and improve skills.

Allows web developers to build mobile apps. One codebase works for both iOS and Android, improving efficiency and saving costs.

Anthropic's official skill library for Claude AI, providing ready-made task plugins for professional document handling, coding, and automation without retraining.