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

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 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.

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.

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

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

A comprehensive collection of cybersecurity resources curated by Omar Santos, including thousands of tools and learning materials for penetration testing and security research.

A powerful TV streaming server for Linux that converts TV signals into network streams and records programs, letting you watch TV on any device.