Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
Chartist Js
Simple responsive charts
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Color
JavaScript color conversion and manipulation library
Gif.js
JavaScript GIF encoding library
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
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Go Js
All GoJS samples, extensions, and documentation
Obelisk.js
JavaScript Engine for Building Isometric Pixel Element with HTML5 Canvas
Ocanvas
JavaScript library for object-based canvas drawing.
Mapmap.js
A data-driven API for interactive thematic maps
Svg.js
A lightweight library for manipulating and animating SVG
Soc.js
An easier way to create social icons
W Paint
jQuery Paint Plugin
Croppie
A Javascript Image Cropper
Dagre
Directed graph renderer for javascript