A particle engine for html5
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
A renderer agnostic two-dimensional drawing api for the web.
Simple responsive charts
Jcrop (official) - Image Cropping Plugin for jQuery
jQuery plugin for enhancing HTML Image maps
Image Match - Project to allow compare different images pixel by pixel with good performance
An easier way to create social icons