Top Repositories

A comprehensive collection of step-by-step tutorials for rebuilding popular technologies from scratch. Covers databases, operating systems, programming languages, web servers, AI models, and more across multiple languages. Perfect for developers seeking to deeply understand core tech principles through hands-on implementation.

A curated list of awesome lists covering all kinds of interesting topics. This meta-list serves as the central directory for discovering high-quality resources on programming languages, frameworks, tools, and various technology domains.

freeCodeCamp.org's open-source codebase and curriculum. A friendly community where you can learn to code for free through thousands of interactive coding challenges, helping over 100,000 people land their first developer job.

A collectively curated list of free public APIs for software and web development. This extensive repository contains thousands of APIs across 100+ categories including animals, finance, health, music, news, science, sports, weather, and more. Maintained by the community and APILayer team.

A collaborative, multilingual collection of freely available programming books, courses, podcasts, and interactive tutorials. Maintained by the Free Ebook Foundation, it indexes thousands of learning resources across numerous programming languages and computer science topics.

OpenClaw is a self-hosted personal AI assistant that connects to WhatsApp, Telegram, Discord, iMessage and 20+ channels. Features voice wake, live canvas, browser automation, and runs on any OS with local-first privacy.

Community-driven interactive roadmaps, guides, and resources for developers. Covers frontend, backend, DevOps, AI, and more with clickable nodes for detailed learning paths and best practices.

Learn how to design large-scale systems. Prep for the system design interview. An organized collection of resources covering scalability, performance, availability, and common system design patterns with solutions and Anki flashcards.

A comprehensive computer science study plan for software engineering interviews. Covers data structures, algorithms, system design, and coding problems to prepare for tech giants like Google, Amazon, and Facebook.

A curated list of awesome Python frameworks, libraries, software and resources. Covers web frameworks, data analysis, machine learning, testing, and more.

A comprehensive list of Free Software network services and web applications that can be hosted on your own server(s). Covers analytics, communication, file management, media streaming, productivity tools, and 50+ categories with 1000+ self-hostable alternatives to SaaS providers.

996.ICU is an open-source initiative protesting the '996' work culture (9am-9pm, 6 days/week) in Chinese tech companies, advocating for labor law compliance and workers' rights, and introducing the 'Anti-996 License' to restrict non-compliant companies from using licensed code.

A curated list of programming tutorials where developers learn to build applications from scratch. Organized by primary programming languages, covering topics like compilers, operating systems, databases, and web apps through hands-on projects.

React is a JavaScript library for building user interfaces. It enables developers to create interactive UIs with declarative, component-based architecture. React can render on the server and power mobile apps via React Native.

Linux kernel source tree

A comprehensive collection of algorithms implemented in Python for educational purposes. Covers sorting, searching, data structures, machine learning, cryptography, and more to help developers learn and understand algorithmic concepts.

A comprehensive collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, CLI/web tools, and more. Designed for system administrators, DevOps engineers, pentesters, and security researchers seeking quality technical resources in one place.

This is the repo for Vue 2. For Vue 3, go to https://github.com/vuejs/core

A complete, self-taught Computer Science education path using free online materials from top universities like Harvard, MIT, and Stanford. Covers core CS topics from programming and algorithms to systems and theory.