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

Global Extensible Open Power Manager

Mod manager for various PC games. Discord Server: https://discord.gg/cYwdcxj if you would like to be more involved

:video_game: GDevelop is an open-source, cross-platform game engine designed to be used by everyone.

GNU Radio – the Free and Open Software Radio Ecosystem

Yosys Open SYnthesis Suite

Point Cloud Library (PCL)

A lightweight, fast and extensible game server for Minecraft

A lightweight, fast and extensible game server for Minecraft

The user-friendly command line shell.

An open-source user mode debugger for Windows. Optimized for reverse engineering and malware analysis.

Widelands is a free, open source real-time strategy game with singleplayer campaigns and a multiplayer mode. The game was inspired by Settlers II™ (© Bluebyte) but has significantly more variety and depth to it.

A virtual machine for executing programs written in Hack.

Background Music, a macOS audio utility: automatically pause your music, set individual apps' volumes and record system audio.

Fritzing desktop application

An open-source C++ library developed and used at Facebook.

C++ websocket client/server library

Mumble is an Open Source, low-latency, high quality voice chat software

PX4 Autopilot Software

PX4 Autopilot Software

RPG Maker 2000/2003 and EasyRPG games interpreter

Shōgun

Meshtastic device firmware

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.

ZeroMQ core engine in C++, implements ZMTP/3.1

SimTK OpenSim C++ libraries and command-line applications, and Java/Python wrapping.

Go engine with no human-provided knowledge, modeled after the AlphaGo Zero paper.

Don't fork this project (yet) but work from the original sourceforge subversion repository instead until transitioned.

DEPRECATED! ~~C++ HTML/CSS UI. Supports subset of HTML/CSS. Based on chromium/cobalt.foo without JavaScript overhead. Uses SKIA 2D graphics library. Can be used to build UI for cross-platform app, game or website. Can support browser as HTML5 web framewor

Source code of open-source Colobot: Gold Edition project developed by Epsitec and TerranovaTeam

The blockchain for Smart Media Tokens (SMTs) and decentralized applications.

Truly independent web browser

Abseil Common Libraries (C++)

Ethereum miner with OpenCL, CUDA and stratum support

Fast and minimalist 3D viewer.

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

A custom launcher for Minecraft that allows you to easily manage multiple installations of Minecraft at once

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

Log file navigator

Open-source compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

Data structure and Algorithm (DSA) contributions

The continuation of the venerable JA2-Stracciatella project.

libheif is a ISO/IEC 23008-12:2017 HEIF file format decoder and encoder.

MGen: Windows PC C++ algorithmic music generator laboratory, playing into MIDI port and exporting MIDI

Cross-platform, customizable ML solutions for live and streaming media.

I2C device library collection for AVR/Arduino or other C++-based MCUs

Vulkan-based implementation of D3D9, D3D10 and D3D11 for Linux / Wine

Compatible client of Ace of Spades 0.75

Reicast was a multiplatform Sega Dreamcast emulator

🥑 ArangoDB is a native multi-model database with flexible data models for documents, graphs, and key-values. Build high performance applications using a convenient SQL-like query language or JavaScript extensions.