Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers
World's fastest HTML5 2D game engine 🛸
:octopus: Superpowers — Extensible HTML5 app for real-time collaborative projects
A virtual joystick for touch capable interfaces.
html5 game engine optimized for rapid development
phina.js is game library
Blend4Web is a tool for interactive 3D visualization on the Internet
A Joyful 2D HTML5 Game Engine.
a 2D rigid body physics engine for the web
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.