Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Scene Graph.js
HTML5 Canvas and Animation Framework
Raphael
JavaScript Vector Library
FloraJS
FloraJS is a JavaScript framework for simulating natural systems in a web browser.
Breathing Halftone
Images go whoa with lots of floaty dots
Croppie
A Javascript Image Cropper
P2.js
JavaScript 2D physics library
P5.js
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —
Easel JS
The Easel Javascript library provides a full, hierarchical display list, a core interaction model, and helper classes to make working with the HTML5 Canvas element much easier.
Caman Js
Pure Javascript HTML5 (Ca)nvas (Man)ipulation
Jcrop
Jcrop (official) - Image Cropping Plugin for jQuery
Processing.js
A port of the Processing visualization language to JavaScript.
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.
Snap.svg
The JavaScript library for modern SVG graphics.
Cropper
A simple jQuery image cropping plugin.
Clmtrackr
Javascript library for precise tracking of facial features via Constrained Local Models
Img to Ascii
A JavaScript implementation of a image to Ascii code