Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
Desktop/Android/HTML5/iOS Java game development framework
A certain block game
Xash3D FWGS engine
UCI chess engine
Open source HTML5 game framework that offers WebGL and Canvas
Do virtual gear shifting (and more) in any rider app
The game engine for everyone
One framework for creating powerful cross-platform games
A simple and easy-to-use library to enjoy videogames programming
The source code to VVVVVV
RetroArch is a frontend for emulators, game engines and media players.
An open source reimplementation of the Among Us Server
Netcode that provides networking capabilities to GameObject workflows
Home theater software and entertainment hub for digital media
Free, cross-platform 2D game engine powered by Haxe and OpenFL
Cross-platform game engine in Rust
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Cocos simplifies game creation and distribution with Cocos Creator
New Godot bindings for Swift
Multi-platform 2D and 3D game engine
A dead simple 2D game engine for Go
Open source library for creative expression on the web, desktop, etc.
scene-oriented, flexible 3D engine (C++, Python, C#, Java)