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

A safe, concurrent, practical language.

The Servo Browser Engine

A computer algebra system written in pure Python

Open Source, Distributed, RESTful Search Engine

scikit-learn: machine learning in Python

A curated list of amazingly awesome Elixir and Erlang libraries, resources and shiny things. Updates:

:bar_chart: Kibana analytics and search dashboard for Elasticsearch

Ansible is a radically simple IT automation platform that makes your applications and systems easier to deploy. Avoid writing scripts or custom code to deploy and update your applications— automate in a language that approaches plain English, using SSH, w

Open Source, Distributed, RESTful Search Engine

Emscripten: An LLVM-to-JavaScript Compiler

Odoo. Open Source Apps To Grow Your Business.

Algorithms that run our universe | Your personal library of every algorithm and data structure code that you will ever encounter

A glossy Matrix collaboration client for the web.

For the latest version of boto, see https://github.com/boto/boto3 -- Python interface to Amazon Web Services

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

Node.js JavaScript runtime :sparkles::turtle::rocket::sparkles:

Synapse: Matrix reference homeserver

Entity Framework Core is a lightweight and extensible version of the popular Entity Framework data access technology

:bar_chart: Kibana analytics and search dashboard for Elasticsearch

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

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

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

:cloud: ownCloud web server core (Files, DAV, etc.)

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

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

Ruby on Rails

Godot Engine – Multi-platform 2D and 3D game engine

Deep Learning for humans

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

IPFS implementation in go

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

Build highly concurrent, distributed, and resilient message-driven applications on the JVM

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

Statsmodels: statistical modeling and econometrics in Python

Gitea: Git with a cup of tea