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

📚 Freely available programming books

Linux kernel source tree

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

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

JavaScript Style Guide

The world’s fastest framework for building websites.

Open Source Continuous File Synchronization

🔗 Some useful websites for programmers.

simple terminal UI for git commands

Resumes generated using the GitHub informations

Truly independent web browser

The personal finance app for everyone

🔍 A Hex Editor for Reverse Engineers, Programmers and people who value their retinas when working at 3 AM.

🌐 Jekyll is a blog-aware static site generator in Ruby

A platform for community discussion. Free, open, simple.

Flight rules for git

🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.

☁️ Nextcloud server, a safe home for all your data

An interactive git visualization and tutorial. Aspiring students of git can use this app to educate and challenge themselves towards mastery of git!

Open-source KVM software

A syntax-highlighting pager for git, diff, grep, and blame output

Send push notifications to your phone or desktop using PUT/POST

Mastering Bitcoin 3rd Edition - Programming the Open Blockchain

A community-driven Emacs distribution - The best editor is neither Emacs nor Vim, it's Emacs *and* Vim!

Simple, open source, lightweight and privacy-friendly web analytics alternative to Google Analytics.

The Ruby Programming Language

A simple, modern and secure encryption tool (and Go library) with small explicit keys, no config options, and UNIX-style composability.

build-once run-anywhere c library

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.