jCanvas
A jQuery plugin that makes the HTML5 canvas easy to work with.
Dagre
Directed graph renderer for javascript
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Chartist Js
Simple responsive charts
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Liquidfun
2D physics engine for games
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
Isomer
Simple isometric graphics library for HTML5 canvas
Proton
A particle engine for html5
Go Js
All GoJS samples, extensions, and documentation
Graphicsjs
A lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.
Mapmap.js
A data-driven API for interactive thematic maps
Img to Ascii
A JavaScript implementation of a image to Ascii code
Kinetic Js
KineticJS is an HTML5 Canvas JavaScript library that extends the 2D context by enabling canvas interactivity for desktop and mobile applications.
J Query.black and White
Clientside grayscale images on any browser
P5.js
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —