Kiwi.js is a blazingly fast mobile & desktop browser based HTML5 game framework. It uses CocoonJS for publishing to the AppStore.
:octopus: Superpowers — Extensible HTML5 app for real-time collaborative projects
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.
Blend4Web is a tool for interactive 3D visualization on the Internet
phina.js is game library
A virtual joystick for touch capable interfaces.
JSIso - An HTML5 Canvas Tile Engine
Panda.js HTML5 game engine
Lightweight, fast, interactable 2D HTML5 rendering engine for cross-platform game development.
a 2D rigid body physics engine for the web
Frozen is an open-source HTML5 game engine delivering ease-of-use, rapid development through tooling and modularity.
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers and mobile devices.