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

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

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.

An open-source AI knowledge base engine that lets you upload documents and chat with them, getting accurate answers without hallucinations.

SecLists is the essential dictionary for security testers, collecting usernames, passwords, URLs, and more to help you complete security assessments quickly.

An open-source super agent framework by ByteDance that automates complex tasks like research and coding, acting like an AI assistant running errands for developers.

A config plugin for Claude Code that makes AI coding more reliable, reducing errors and preventing unwanted code changes.

A collection of Markdown design specs from popular websites, helping you tune AI coding assistants to generate interfaces that match brand styles directly.

Microsoft's AI agent collaboration framework enabling multiple AI roles to work as a team, but now in maintenance mode; new users should check the successor.

An open-source project simulating an AI hedge fund, featuring AI avatars of 19 investment masters like Buffett to analyze stocks and make decisions, for learning and entertainment only.

A free and fast 2D game framework that lets you easily create small games for phones and computers using web technologies.

Alibaba's open-source platform for microservices and AI apps, solving service discovery and config update issues to make systems stable and efficient.

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

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

A Python programming practice collection by former Google Chief Scientist Peter Norvig. Like musical études, it uses concise code to help you refine specific programming skills.

Source code for Microsoft's .NET runtime, enabling developers to build software in C# across various devices, acting as an engine behind many apps.

An AI assistant that remembers your screen content and conversations, summarizes info and reminds tasks, supports computer, phone, and smart necklace, open source and self-deployable.

A specialized tool for Ruby developers to build APIs quickly, ensuring code is standardized and maintainable, perfect for backend services.

Velero is a backup and migration tool for Kubernetes clusters, helping you save apps and data, recover from issues, and move environments to other clouds.