Godot is a powerful cross-platform game engine
An open-source sandbox tower defense game
A certain block game
Open source HTML5 game framework that offers WebGL and Canvas
RetroArch is a frontend for emulators, game engines and media players.
A simple and easy-to-use library to enjoy videogames programming
Xash3D FWGS engine
An open source reimplementation of the Among Us Server
The game engine for everyone
UCI chess engine
One framework for creating powerful cross-platform games
Desktop/Android/HTML5/iOS Java game development framework
Netcode that provides networking capabilities to GameObject workflows
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
Home theater software and entertainment hub for digital media
scene-oriented, flexible 3D engine (C++, Python, C#, Java)
New Godot bindings for Swift
A dead simple 2D game engine for Go
Do virtual gear shifting (and more) in any rider app
Cocos simplifies game creation and distribution with Cocos Creator
Multi-platform 2D and 3D game engine
Open source library for creative expression on the web, desktop, etc.
Fast and lightweight JavaScript game engine built on WebGL and glTF
Action-adventure game originally released in 2013
Cross-platform game engine in Rust