Open 3D Engine (O3DE) is an Apache 2.0-licensed multi-platform 3D
Fast and lightweight JavaScript game engine built on WebGL and glTF
2D JavaScript Physics Engine
LayaAir is an open-source 2D/3D engine
A 2D rigid body physics engine for the web
An easy to use 2D HTML5 game engine written in TypeScript
Godot is a powerful cross-platform game engine
A high-performance, industry-standard 2D physics engine built on Box2D
The Tiny JavaScript Game Engine That Can!
Multi-platform Engine for Desktop, XBOX (UWP) and Mobile games
A fresh & lightweight javascript game engine
The game engine for everyone
Cocos simplifies game creation and distribution with Cocos Creator
Ct.js is a desktop game engine that makes learning programming fun
Open source library for creative expression on the web, desktop, etc.
Multi Theft Auto is a game engine
Open source voxel game engine with support for survival and crafting
Xash3D FWGS engine
A complete 3-D game development suite written in Java
The Ren'Py Visual Novel Engine
A game engine powered by python and panda3d
Voxel game-creation platform with easy modding and game creation
Free, open source game engine online
Real Time Strategy game engine supporting early Westwood classics
Solar2D Game Engine main repository (ex Corona SDK)