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
Two.js
A renderer agnostic two-dimensional drawing api for the web.
Svg.js
A lightweight library for manipulating and animating SVG
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
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
jCanvas
A jQuery plugin that makes the HTML5 canvas easy to work with.
W Paint
jQuery Paint Plugin
Pixastic
JavaScript Image Processing Library
Canvg
Javascript SVG parser and renderer on Canvas
Breathing Halftone
Images go whoa with lots of floaty dots
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.