Liquidfun
2D physics engine for games
P5.js
A JS client-side library for creating graphic and interactive experiences, based on the core principles of Processing. http://twitter.com/p5xjs —
P2.js
JavaScript 2D physics library
Dagre
Directed graph renderer for javascript
Chartist Js
Simple responsive charts
Html2canvas
Screenshots with JavaScript
Isomer
Simple isometric graphics library for HTML5 canvas
Obelisk.js
JavaScript Engine for Building Isometric Pixel Element with HTML5 Canvas
Soc.js
An easier way to create social icons
Snap.svg
The JavaScript library for modern SVG graphics.
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.
Joint
JavaScript diagramming library
Focal Point
A small set of CSS classnames to help keep images cropped on the focal point for responsive designs. Using only HTML/CSS, web authors can specify an image's focal point, which stays as the image's primary focus, while the image's available width changes on responsive webpages. Crop and re-size images depending on available width and let CSS to do all of the work, and without any JavaScript.
Proton
A particle engine for html5
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
FloraJS
FloraJS is a JavaScript framework for simulating natural systems in a web browser.
Vintage JS
vintageJS - add a retro/vintage effect to images using the HTML5 canvas element