Android, UIQ 3.0, Series 60 Edition 5 open-source software
Voxel game-creation platform with easy modding and game creation
Desktop/Android/HTML5/iOS Java game development framework
Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
Open source cross-platform multi-purpose game toolkit
A cross-platform PSP emulator
Stream switch games to your PC via USB or network
Home theater software and entertainment hub for digital media
A simple and easy-to-use library to enjoy videogames programming
UCI chess engine
Sandbox video game with a powerful physics engine
Open-source Android/Desktop remake of Civ V
Open source voxel game engine with support for survival and crafting
The game engine for everyone
RetroArch is a frontend for emulators, game engines and media players.
One framework for creating powerful cross-platform games
Source of Mana is a unique 2D MMORPG
A certain block game
Open source HTML5 game framework that offers WebGL and Canvas
An open source reimplementation of the Among Us Server
Xash3D FWGS engine
Do virtual gear shifting (and more) in any rider app
Netcode that provides networking capabilities to GameObject workflows
Multi-platform 2D and 3D game engine