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

A static analysis tool for finding errors in PHP applications

Vim-fork focused on extensibility and usability

The Scala 3 compiler, also known as Dotty.

Issue tracker for Sublime Text

Jupyter Interactive Notebook

A unified framework for machine learning with time series

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

OpenMMLab Detection Toolbox and Benchmark

Magic Another Game Engine

An experimental Rust compiler front-end for IDEs

An extremely fast Python linter and code formatter, written in Rust.

Official upstream development repository for Cabal and cabal-install

A multi-platform .NET UI framework

Official doxygen git repository

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

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

Ghidra is a software reverse engineering (SRE) framework

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

Apache Airflow (Incubating)

SciPy library main repository

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

The PHP Interpreter

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

NumPy aware dynamic Python compiler using LLVM

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

MUI Core: Ready-to-use foundational React components, free forever. It includes Material UI, which implements Google's Material Design.

React components that implement Google's Material Design.

React components that implement Google's Material Design.

📊 Open source visualization dashboards for OpenSearch.

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

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

The official Vim repository

PX4 Autopilot Software

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.

PX4 Autopilot Software

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

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

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

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

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.

An open source re-implementation of RollerCoaster Tycoon 2 🎢

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.

Next generation Cosmic desktop environment

The Rust package manager

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

The Ballerina Programming Language

matplotlib: plotting with Python