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

GNU Radio – the Free and Open Software Radio Ecosystem

ESP8266 WiFi Connection manager with web captive portal

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

qTox is a chat, voice, video, and file transfer IM client using the encrypted peer-to-peer Tox protocol.

Python bindings for the Chromium Embedded Framework (CEF)

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

Open Source toolpath generator for 3D printers

Light-weight system monitor for X.

Xbox 360 Emulator Research Project

An Open Source Machine Learning Framework for Everyone

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

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.

Shōgun

The reference P4 software switch

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

DyNet: The Dynamic Neural Network Toolkit

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

Nodejs bindings to OpenCV 3 and OpenCV 4

Mobile Shell

Hacktoberfest 2021 | World's largest Contributor driven code dataset | Algorithms that run our universe | Your personal library of every algorithm and data structure code that you will ever encounter |

The user-friendly command line shell.

Multipass orchestrates virtual Ubuntu instances

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

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

Tensors and Dynamic neural networks in Python with strong GPU acceleration

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

Cryptography Toolkit

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.

A simple GUI calculator🧮 built using C++

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

High-level tracing language for Linux eBPF

OpenVDB - Sparse volume data structure and tools

Free and Open Source Reverse Engineering Platform powered by rizin

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

An open source re-implementation of RollerCoaster Tycoon 2 🎢

Open Source Routing Engine for OpenStreetMap

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

:computer: Desktop Syncing Client for ownCloud

A modern open source rendering engine for animation and visual effects

Compiler for Neural Network hardware accelerators

Cross-platform music production software

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

Framework for lifting x86, amd64, aarch64, sparc32, and sparc64 program binaries to LLVM bitcode

Bitcoin Core integration/staging tree

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

RGB Driver for Linux

Diablo build for modern operating systems

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

Solidity, the Smart Contract Programming Language

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

An RSS/Atom feed reader for text terminals

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

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

Apache Doris(Incubating) is an MPP-based interactive SQL data warehousing for reporting and analysis.

mlpack: a scalable C++ machine learning library --

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

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

Point Cloud Library (PCL)

ArduPlane, ArduCopter, ArduRover, ArduSub source