A framework for building native applications using React

Cross-platform music production software

Stan development repository. The master branch contains the current release. The develop branch contains the latest stable development. See the Developer Process Wiki for details.

Solidity, the Smart Contract Programming Language

OpenMLDB is an open-source machine learning database that provides a feature platform computing consistent features for training and inference.

OpenVDB - Sparse volume data structure and tools

A fast, powerful type checker designed for Ruby

A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.

An open source, turn-based strategy game with a high fantasy theme.

ESP8266 WiFi Connection manager with web captive portal

A modern open source rendering engine for animation and visual effects

RGB Driver for Linux

GNU Radio – the Free and Open Software Radio Ecosystem

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

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

Share a single keyboard and mouse between multiple computers.

Decentralized cryptocurrency blockchain daemon implementing the XRP Ledger protocol in C++

Zeek is a powerful network analysis framework that is much different from the typical IDS you may know.

High-level tracing language for Linux

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

The core of our monitoring platform with a powerful configuration language and REST API.

Guidelines Support Library

Point Cloud Library (PCL)

mlpack: a fast, header-only C++ machine learning library

Mumble is an open-source, low-latency, high quality voice chat software.

OpenTTD is an open source simulation game based upon Transport Tycoon Deluxe

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Diablo build for modern operating systems

The reference P4 software switch

Xbox 360 Emulator Research Project

cuML - RAPIDS Machine Learning Library

Eclipse OMR™ Cross platform components for building reliable, high performance language runtimes

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Dask, Flink and DataFlow

An RSS/Atom feed reader for text terminals

ArduPlane, ArduCopter, ArduRover, ArduSub source

Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope.

Distributed C++ services from embedded to enterprise without rewrites

Apache Traffic Server™ is a fast, scalable and extensible HTTP/1.1 and HTTP/2 compliant caching proxy server.

Cryptography Toolkit

Light-weight system monitor for X, Wayland, and other things, too

Avogadro libraries provide 3D rendering, visualization, analysis and data processing useful in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas.

An audio server, programming language, and IDE for sound synthesis and algorithmic composition.

Multipass orchestrates virtual Ubuntu instances

Mobile Shell

Open Source Routing Engine for OpenStreetMap

RetroShare is a Free and Open Source cross-platform, Friend-2-Friend and secure decentralised communication platform.

Powerful, mature open-source cross-platform game engine for Python and C++, developed by Disney and CMU