Fast and lightweight JavaScript game engine built on WebGL and glTF
Cocos simplifies game creation and distribution with Cocos Creator
Free game engine for development of desktop, mobile, and web games
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
3D game engine/framework in C, with Luajit and Python bindings now
Open source library for creative expression on the web, desktop, etc.
3D and 2D game engine written in Rust
Cross-platform game engine in Rust
Game engine supporting many 3D/2D formats and graphic effects
Embeddable unity game engine view for Flutter
The multiplayer game engine
MIT Licensed Open Source version of Torque3D from GarageGames
Cross-platform 3D scene editor based on three.js, golang and mongodb
3D playground built on three.js and cannon.js
Web powered cross-platform 3D, WebXR game engine
Turbulenz is a modular 3D and 2D game framework
Game engine supporting many 3D/2D formats and graphic effects