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

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

Nix Packages collection

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

TypeScript is a superset of JavaScript that compiles to clean JavaScript output.

Adds static typing to JavaScript to improve developer productivity and code quality.

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

The Servo Browser Engine

The Servo Browser Engine

A glossy Matrix collaboration client for the web.

Terraform AWS provider

This repo contains the .NET Core foundational libraries, called CoreFX. It includes classes for collections, file systems, console, XML, async and many others. We welcome contributions.

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

A safe, concurrent, practical language.

scikit-learn: machine learning in Python

The JavaScript and API powered WordPress.com

The tool for beautiful monitoring and metric analytics & dashboards for Graphite, InfluxDB & Prometheus & More

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

Terraform is a tool for building, changing, and combining infrastructure safely and efficiently.

Adaptable, fast automation for all

Numpy main repository

The official bug tracker for the Scala programming language.

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

This repo contains the .NET Core runtime, called CoreCLR, and the base library, called System.Private.Corelib (or mscorlib). It includes the garbage collector, JIT compiler, base .NET data types and many low-level classes. We welcome contributions.

Scipy library main repository

A computer algebra system written in pure Python

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

Redis is an in-memory database that persists on disk. The data model is key-value, but many different kind of values are supported: Strings, Lists, Sets, Sorted Sets, Hashes, HyperLogLogs, Bitmaps.

The Julia Language: A fresh approach to technical computing.

Tensors and Dynamic neural networks in Python with strong GPU acceleration

Your self-hosted, globally interconnected microblogging community

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

Traccar GPS Tracking System

:house_with_garden: Open-source home automation platform running on Python 3

One framework. Mobile & desktop.

a package manager for javascript

📦🐈 Fast, reliable, and secure dependency management.

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

OsmAnd

Odoo. Open Source Apps To Grow Your Business.

Open Source ERP built for the web

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

Emscripten: An LLVM-to-JavaScript Compiler

Nix, the purely functional package manager

Ruby on Rails

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

Jupyter Interactive Notebook

CockroachDB - the open source, cloud-native SQL database.

🚀 Yet another project to get beginners contributing to open source 🔰

🚀✨ Help beginners to contribute to open source projects

Issue tracker for Backdrop core.