Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers
Super fast HTML 5 2D rendering engine that uses webGL with canvas fallback
Blend4Web is a tool for interactive 3D visualization on the Internet
html5 game engine optimized for rapid development
a 2D rigid body physics engine for the web
Egret is a brand new open mobile game and application engine which allows you to quickly build mobile games and apps on Android,iOS and Windows.
A virtual joystick for touch capable interfaces.
Lightweight, fast, interactable 2D HTML5 rendering engine for cross-platform game development.
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers and mobile devices.
Kiwi.js is a blazingly fast mobile & desktop browser based HTML5 game framework. It uses CocoonJS for publishing to the AppStore.
GameJs is a thin library on top of the HTML canvas element. In addition to the drawing functions it has a set of generally helpful modules for game development.
A Joyful 2D HTML5 Game Engine.