Xash3D FWGS engine
The Tiny JavaScript Game Engine That Can!
Fast and lightweight JavaScript game engine built on WebGL and glTF
An easy to use 2D HTML5 game engine written in TypeScript
Open source library for creative expression on the web, desktop, etc.
Full featured MUD server with all the trimmings.
Haskell game engine library for roguelike dungeon crawlers
JavaScript Game Engine
A lightweight HTML5 Game Engine