Flash JS
JavaScript graphics and games engine with API familiar to Flash one. Just look to examples sources.
Blend4 Web
Blend4Web is a tool for interactive 3D visualization on the Internet
Superpowers Core
:octopus: Superpowers — Extensible HTML5 app for real-time collaborative projects
Coquette
A micro framework for JavaScript games
PhysicsJS
A modular, extendable, and easy-to-use physics engine for javascript
Tmlib.js
JavaScript をより使いやすく, より便利に, そしてより豊かに.
Frozen
Frozen is an open-source HTML5 game engine delivering ease-of-use, rapid development through tooling and modularity.
Chem
html5 game engine optimized for rapid development
Playground
Playground.js is a framework for your javascript based games. It gives you out-of-box access to essentials like mouse, keyboard, sound and well designed architecture that you can expand to your needs.
Verly.js
:red_circle::wavy_dash::large_blue_circle::wavy_dash::black_circle: Easy to integrate Verlet physics engine. :link:
Lychee JS
Environment-Independent JavaScript engine (HTML5 Canvas, V8GL, WebGL, native OpenGL, NodeJS)
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.
Matter JS
a 2D rigid body physics engine for the web
Easystar.js
An asynchronous A* pathfinding API written in Javascript.
Crafty
Crafty is a JavaScript game library that can help you create games in a structured way.
Melon JS
a fresh & lightweight javascript game engine
Phaser
Phaser is a light-weight 2D game framework for making HTML5 games for desktop and mobile browsers