Dagre
Directed graph renderer for javascript
Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
Go Js
All GoJS samples, extensions, and documentation
Graphicsjs
A lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.
Svg.js
A lightweight library for manipulating and animating SVG
Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
Two.js
A renderer agnostic two-dimensional drawing api for the web.
Gif.js
JavaScript GIF encoding library
Comic.js
Cartoon style drawing for HTML5 Canvas & Raphael.js & D3.js & SVG.js
Image Mapster
jQuery plugin for enhancing HTML Image maps
Liquidfun
2D physics engine for games
Chartist Js
Simple responsive charts
Ocanvas
JavaScript library for object-based canvas drawing.
Soc.js
An easier way to create social icons
Kinetic Js
KineticJS is an HTML5 Canvas JavaScript library that extends the 2D context by enabling canvas interactivity for desktop and mobile applications.