Verly.js
:red_circle::wavy_dash::large_blue_circle::wavy_dash::black_circle: Easy to integrate Verlet physics engine. :link:
Babylon.js
Babylon.js: a complete JavaScript framework for building 3D games with HTML 5 and WebGL
Rot.js
ROguelike Toolkit
Limejs
HTML5 game framework for web and iOS
Nipplejs
A virtual joystick for touch capable interfaces.
Phina.js
phina.js is game library
Easystar.js
An asynchronous A* pathfinding API written in Javascript.
Isometric
JSIso - An HTML5 Canvas Tile Engine
Canvas Engine
Framework for HTML5 Canvas oriented 2D video games
Verlet JS
A simple Verlet physics engine written in javascript
Enchant.js
A simple JavaScript framework for creating games and apps
Frozen
Frozen is an open-source HTML5 game engine delivering ease-of-use, rapid development through tooling and modularity.
Turbulenz Engine
Turbulenz is a modular 3D and 2D game framework for making HTML5 powered games for browsers and mobile devices.
Tmlib.js
JavaScript をより使いやすく, より便利に, そしてより豊かに.
Flash JS
JavaScript graphics and games engine with API familiar to Flash one. Just look to examples sources.
Joy.js
A Joyful 2D HTML5 Game Engine.
Egret Core
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.