zcanvas

Compact JavaScript library that provides an Object based solution for working with HTMLCanvas drawables as if they were tangible, separate objects. Good for lightweight game engines and mobile friendly.

litecanvas

Lightweight HTML5 canvas engine suitable for small games and animations.

rge.js

RGE.js is a Javascript library for simple and intuitive game development and digital art.

illusionts

a simple 2D typescript game library that uses canvas for html5 games, has gamepad support you can save/load game data and it can help you to create simple/small games or prototypes.