A distributed, fast open-source graph database featuring horizontal scalability and high availability

Solidity, the Smart Contract Programming Language

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

Shōgun

ArduPlane, ArduCopter, ArduRover, ArduSub source

🖥️ Desktop Syncing Client for ownCloud

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

OpenVDB - Sparse volume data structure and tools

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

Modern C++14 library for the development of real-time graphical applications

DyNet: The Dynamic Neural Network Toolkit

Cross-platform music production software

The Atomic Game Engine is a multi-platform 2D and 3D engine with a consistent API in C++, C#, JavaScript, and TypeScript

World's largest Contributor driven code dataset | Used in Quark Search Engine, @OpenGenus IQ, OpenGenus Visual Project

A simple GUI calculator🧮 built using C++

RGB Driver for Linux

An Open Source Machine Learning Framework for Everyone

High-level tracing language for Linux eBPF

GNU Radio – the Free and Open Software Radio Ecosystem

Tensors and Dynamic neural networks in Python with strong GPU acceleration

Nodejs bindings to OpenCV 3 and OpenCV 4

A modern open source rendering engine for animation and visual effects

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

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

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 open source re-implementation of RollerCoaster Tycoon 2 🎢

Cryptography Toolkit

Bitcoin Core integration/staging tree

Compiler for Neural Network hardware accelerators

ESP8266 WiFi Connection manager with web captive portal

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

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.

An RSS/Atom feed reader for text terminals

Mobile Shell

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

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

Xbox 360 Emulator Research Project

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.

Diablo build for modern operating systems

Open Source Routing Engine for OpenStreetMap

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

Interactive, thoroughly customizable maps in native Android, iOS, macOS, Node.js, and Qt applications, powered by vector tiles and OpenGL

Point Cloud Library (PCL)

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

Multipass orchestrates virtual Ubuntu instances

The user-friendly command line shell.

Python bindings for the Chromium Embedded Framework (CEF)

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

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more

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

cuML - RAPIDS Machine Learning Library

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

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

The reference P4 software switch

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

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

Open Source toolpath generator for 3D printers