Cartoon style drawing for HTML5 Canvas & Raphael.js & D3.js & SVG.js
A jQuery plugin that adds random noise to the background of a given element.
2D physics engine for games
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject. Great for full-screen images.
qrcode generation standalone (doesn't depend on external services)
vintageJS - add a retro/vintage effect to images using the HTML5 canvas element
Simple responsive charts