Jcrop (official) - Image Cropping Plugin for jQuery
Image Match - Project to allow compare different images pixel by pixel with good performance
A simple jQuery image cropping plugin.
An easier way to create social icons
A lightweight library for manipulating and animating SVG
A data-driven API for interactive thematic maps
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —
A jQuery plugin that makes the HTML5 canvas easy to work with.
A renderer agnostic two-dimensional drawing api for the web.
jQuery Paint Plugin