Simple responsive charts
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
A lightweight library for manipulating and animating SVG
A renderer agnostic two-dimensional drawing api for the web.
2D physics engine for games
Jcrop (official) - Image Cropping Plugin for jQuery
qrcode generation standalone (doesn't depend on external services)
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject. Great for full-screen images.