Dagre
Directed graph renderer for javascript
Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
Chartist Js
Simple responsive charts
Go Js
All GoJS samples, extensions, and documentation
Js Barcode
Barcode generation library that works in both the browser and on Node.js http://lindell.me/JsBarcode
W Paint
jQuery Paint Plugin
J Query.black and White
Clientside grayscale images on any browser
Liquidfun
2D physics engine for games
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
Mapmap.js
A data-driven API for interactive thematic maps
Cropper
A simple jQuery image cropping plugin.
Img to Ascii
A JavaScript implementation of a image to Ascii code
Breathing Halftone
Images go whoa with lots of floaty dots
Comic.js
Cartoon style drawing for HTML5 Canvas & Raphael.js & D3.js & SVG.js
Kinetic Js
KineticJS is an HTML5 Canvas JavaScript library that extends the 2D context by enabling canvas interactivity for desktop and mobile applications.
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.
Scene Graph.js
HTML5 Canvas and Animation Framework