Processing.js
A port of the Processing visualization language to JavaScript.
Soc.js
An easier way to create social icons
J Query.black and White
Clientside grayscale images on any browser
Breathing Halftone
Images go whoa with lots of floaty dots
P5.js
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —
Liquidfun
2D physics engine for games
Go Js
All GoJS samples, extensions, and documentation
Mapmap.js
A data-driven API for interactive thematic maps
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.
Html2canvas
Screenshots with JavaScript
Vintage JS
vintageJS - add a retro/vintage effect to images using the HTML5 canvas element
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Comic.js
Cartoon style drawing for HTML5 Canvas & Raphael.js & D3.js & SVG.js
Snap.svg
The JavaScript library for modern SVG graphics.
Isomer
Simple isometric graphics library for HTML5 canvas
Ocanvas
JavaScript library for object-based canvas drawing.
Svg.js
A lightweight library for manipulating and animating SVG