Fast and lightweight JavaScript game engine built on WebGL and glTF
A high-performance, industry-standard 2D physics engine built on Box2D
LayaAir is an open-source 2D/3D engine
A 2D rigid body physics engine for the web
Free, open source game engine online
Children's learning programming language Karel the Robot in 3D
JavaScript Game Engine
Wolfenstein 3D HTML5 TOTAL Conversion
3D urban environment renderer : browser-app ; as well as a GTA clone
A web port of the classic Eamon adventure RPG
Simple OpenSource scoreboard
Simple data driven web based gamebook engine using javascript.
Built to be ease of use, with no programming knowledge, Multi-platform
Egret is a brand new open mobile game and application engine
LAIR is a Sandbox Dungeon Crawling Game
XMICAE is a framework for browser-based IF/RPG narratives.
Formerly CraveJs, it's for creating JavaScript applications and games.
Free MMORPG Engine. Develop and host graphical browser-based games.