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

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.

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.

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

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 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 Windows desktop utility that displays network speed, CPU, and memory usage in a floating window, with skin support.

A free hands-on LLM tutorial series derived from SJTU courses, teaching you to fine-tune, deploy, and explore large model technologies from scratch.

A collection of helper scripts for Proxmox VE that lets you deploy self-hosted services with one command, saving manual setup time.

One-click script to set up a private IPsec encrypted VPN server, allowing secure access to your home network from anywhere.

A Python framework that makes it easy for developers to build multi-agent collaboration systems, managing task allocation, tool usage, and safety checks across major large models.

A repository collecting Android TV box apps and streaming source configurations, helping you solve TV movie watching issues with ready-made installers.

Apache TVM is an open-source compiler framework that compiles AI models into efficient code, making them run faster and more compatible on various hardware like CPUs and GPUs.

A tool that lets AI agents automatically optimize their own prompts, turning scattered manual adjustments into manageable and traceable evolution assets, suitable for developers.

This is a free live TV app designed for TV boxes, directly calling official live sources, supports remote control channel switching, no need to install complex software, suitable for users who want to watch CCTV and satellite on large screens.