Babylon.js
Babylon.js: a complete JavaScript framework for building 3D games with HTML 5 and WebGL
Rot.js
ROguelike Toolkit
Melon JS
a fresh & lightweight javascript game engine
Gamejs
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.
Nipplejs
A virtual joystick for touch capable interfaces.
Panda.js
Panda.js HTML5 game engine
Verlet JS
A simple Verlet physics engine written in javascript
PhysicsJS
A modular, extendable, and easy-to-use physics engine for javascript
Kiwi.js
Kiwi.js is a blazingly fast mobile & desktop browser based HTML5 game framework. It uses CocoonJS for publishing to the AppStore.
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.
Canvas Engine
Framework for HTML5 Canvas oriented 2D video games
Black
World's fastest HTML5 2D game engine 🛸
Isometric
JSIso - An HTML5 Canvas Tile Engine
Cutjs
Lightweight, fast, interactable 2D HTML5 rendering engine for cross-platform game development.
Flash JS
JavaScript graphics and games engine with API familiar to Flash one. Just look to examples sources.
Superpowers Core
:octopus: Superpowers — Extensible HTML5 app for real-time collaborative projects