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

Official upstream development repository for Cabal and cabal-install

OpenMMLab Detection Toolbox and Benchmark

Animated sprite editor & pixel art tool (Windows, macOS, Linux)

Novel Coronavirus (COVID-19) Cases, provided by JHU CSSE

Issue tracker for Sublime Text

Magic Another Game Engine

Vim-fork focused on extensibility and usability

Jupyter Interactive Notebook

The Scala 3 compiler, also known as Dotty.

PrestaShop offers a fully scalable open source ecommerce solution.

Terraform enables you to safely and predictably create, change, and improve infrastructure. It is a source-available tool that codifies APIs into declarative configuration files that can be shared amongst team members, treated as code, edited, reviewed, a

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

:star: Vim for Visual Studio Code

An open-source AI agent that brings the power of Gemini directly into your terminal.

Ghidra is a software reverse engineering (SRE) framework

Official doxygen git repository

A multi-platform .NET UI framework

Cloud-native high-performance edge/middle/service proxy

The PHP Interpreter

SciPy library main repository

NumPy aware dynamic Python compiler using LLVM

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

Apache Airflow (Incubating)

The new Windows Terminal and the original Windows console host, all in the same place!

Open Food Facts database, API server and web interface - 🐪🦋 Perl, CSS and JS coders welcome 😊 For helping in Python, see Robotoff or taxonomy-editor

A free, online learning platform to make quality education accessible for all.

Distributed transactional key-value database, originally created to complement TiDB

An experimental Rust compiler front-end for IDEs

Next generation Cosmic desktop environment

An open source payments switch written in Rust to make payments fast, reliable and affordable

Nomad is an easy-to-use, flexible, and performant workload orchestrator that can deploy a mix of microservice, batch, containerized, and non-containerized applications. Nomad is easy to operate and scale and has native Consul and Vault integrations.

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Generation of diagrams like flowcharts or sequence diagrams from text in a similar manner as markdown

The official Vim repository

Rules engine for AWS management, DSL in yaml for query, filter, and actions on resources

Rules engine for cloud security, cost optimization, and governance, DSL in yaml for policies to query, filter, and take actions on resources

Get your data in RAM. Get compute close to data. Enjoy the performance.

Open Source real-time strategy game engine for early Westwood games such as Command & Conquer: Red Alert written in C# using SDL and OpenGL. Runs on Windows, Linux, *BSD and Mac OS X.

Cocos2d-x is a suite of open-source, cross-platform, game-development tools utilized by millions of developers across the globe. Its core has evolved to serve as the foundation for Cocos Creator 1.x & 2.x.

The Rust package manager

The Microsoft Build Engine (MSBuild) is the build platform for .NET and Visual Studio.

📊 Open source visualization dashboards for OpenSearch.

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

The Ballerina Programming Language

Ruby on Rails

A post-modern modal text editor.

React components that implement Google's Material Design.