Svg.js
A lightweight library for manipulating and animating SVG
Snap.svg
The JavaScript library for modern SVG graphics.
Jcrop
Jcrop (official) - Image Cropping Plugin for jQuery
jQuery Focuspoint
jQuery plugin for 'responsive cropping'. Dynamically crop images to fill available space without cutting out the image's subject. Great for full-screen images.
Bonsai
BonsaiJS is a graphics library and renderer
Croppie
A Javascript Image Cropper
Processing.js
A port of the Processing visualization language to JavaScript.
Clmtrackr
Javascript library for precise tracking of facial features via Constrained Local Models
Konva
Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
Fabric.js
Javascript Canvas Library, SVG-to-Canvas (and canvas-to-SVG) Parser
Caman Js
Pure Javascript HTML5 (Ca)nvas (Man)ipulation
P2.js
JavaScript 2D physics library
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Proton
A particle engine for html5
Graphicsjs
A lightweight JavaScript graphics library with the intuitive API, based on SVG/VML technology.
Obelisk.js
JavaScript Engine for Building Isometric Pixel Element with HTML5 Canvas
Canvg
Javascript SVG parser and renderer on Canvas