Help out your favorite open source projects and become a better developer while doing it.

Moby Project - a collaborative project for the container ecosystem to assemble container-based systems

The https://freeCodeCamp.org open source codebase and curriculum. Learn to code and help nonprofits.

Production-Grade Container Scheduling and Management

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

The Servo Browser Engine

📦🐈 Fast, reliable, and secure dependency management.

An open source code editor for the web, written in JavaScript, HTML and CSS.

Open Source, Distributed, RESTful Search Engine

Odoo. Open Source Apps To Grow Your Business.

An open-source distributed JSON document database with a pleasant and powerful query language.

a fast, scalable, multi-language and extensible build system

The .NET Compiler Platform ("Roslyn") provides open-source C# and Visual Basic compilers with rich code analysis APIs.

Open Source Computer Vision Library

Traccar GPS Tracking System

A computer algebra system written in pure Python

Liberating Web Analytics. Star us on Github? +1. Matomo is the leading open alternative to Google Analytics that gives you full control over your data. Matomo lets you easily collect data from websites, apps & the IoT and visualise this data and extract i

Build cross platform desktop apps with JavaScript, HTML, and CSS

Deep Learning for humans

Official repository for IPython itself. Other repos in the IPython organization contain things like the website, documentation builds, etc.

TrinityCore Open Source MMO Framework (master = 7.3.5.26124, 3.3.5 = 3.3.5a.12340)

Printing since 1440. Development hub for the editor focus in core. Plugin is available from the official WordPress repository.

Yoast SEO for WordPress

Apache Superset (incubating) is a modern, enterprise-ready business intelligence web application

unix-like reverse engineering framework and commandline tools

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

Synapse: Matrix reference homeserver

Cataclysm - Dark Days Ahead. A turn-based survival game set in a post-apocalyptic world.

IPFS implementation in go

SuiteCRM - Open source CRM for the world

Caffe: a fast open framework for deep learning.

Flexible and powerful data analysis / manipulation library for Python, providing labeled data structures similar to R data.frame objects, statistical functions, and much more

Zcash - Internet Money

The Python programming language

OS-agnostic, system-level binary package manager and ecosystem

Next generation Brave browser for macOS, Windows, Linux, and eventually Android

Vim-fork focused on extensibility and usability

A PSP emulator for Android, Windows, Mac and Linux, written in C++. Want to contribute? Join us in #ppsspp on freenode (IRC) or just send pull requests / issues. For discussion use the forums on ppsspp.org.

Notepad++ official repository