Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
Chartist Js
Simple responsive charts
Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
Go Js
All GoJS samples, extensions, and documentation
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Gif.js
JavaScript GIF encoding library
Obelisk.js
JavaScript Engine for Building Isometric Pixel Element with HTML5 Canvas
Color
JavaScript color conversion and manipulation library
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
W Paint
jQuery Paint Plugin
Liquidfun
2D physics engine for games
Raphael
JavaScript Vector Library
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Ocanvas
JavaScript library for object-based canvas drawing.
Mapmap.js
A data-driven API for interactive thematic maps
Soc.js
An easier way to create social icons