Proton
A particle engine for html5
Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
Color
JavaScript color conversion and manipulation library
Go Js
All GoJS samples, extensions, and documentation
Svg.js
A lightweight library for manipulating and animating SVG
Two.js
A renderer agnostic two-dimensional drawing api for the web.
Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
Dagre
Directed graph renderer for javascript
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Gif.js
JavaScript GIF encoding library
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.
jCanvas
A jQuery plugin that makes the HTML5 canvas easy to work with.
W Paint
jQuery Paint Plugin
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
Canvg
Javascript SVG parser and renderer on Canvas
Pixastic
JavaScript Image Processing Library
Vintage JS
vintageJS - add a retro/vintage effect to images using the HTML5 canvas element