Master programming by recreating your favorite technologies from scratch.

freeCodeCamp.org's open-source codebase and curriculum. Learn math, programming, and computer science for free.

😎 Awesome lists about all kinds of interesting topics

A collective list of free APIs

📚 Freely available programming books

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A complete computer science study plan to become a software engineer.

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

An opinionated list of awesome Python frameworks, libraries, software and resources.

A list of Free Software network services and web applications which can be hosted on your own servers

Curated list of project-based tutorials

The library for web and native user interfaces.

All Algorithms implemented in Python

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

Linux kernel source tree

🎓 Path to a free self-taught education in Computer Science!

📝 Algorithms and data structures implemented in JavaScript with explanations and links to further readings

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more.

A book series (2 published editions) on the JS language.

📚 技术面试必备基础知识、Leetcode、计算机操作系统、计算机网络、系统设计

🙃 A delightful community-driven (with 2,400+ contributors) framework for managing your zsh configuration. Includes 300+ optional plugins (rails, git, macOS, hub, docker, homebrew, node, php, python…

Visual Studio Code

Python - 100天从新手到大师

Flutter makes it easy and fast to build beautiful apps for mobile and beyond

A collection of useful .gitignore templates

Master the command line, in one page

A curated list of awesome Go frameworks, libraries and software

Get up and running with OpenAI gpt-oss, DeepSeek-R1, Gemma 3 and other models.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

Command-line program to download videos from YouTube.com and other video sites