Proton
A particle engine for html5
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
X3dom
X3DOM. A framework for integrating and manipulating X3D scenes as HTML5/DOM elements.
Svgo
SVGO is a Nodejs-based tool for optimizing SVG vector graphics files.
Maker.js
📐⚙ Library for creating 2D vector drawings for CNC and laser cutter machines.
3 Dmol.js
WebGL accelerated JavaScript molecular graphics library
Dagre
Directed graph renderer for javascript
Cannon.js
A lightweight 3D physics engine written in JavaScript.
Two.js
A renderer agnostic two-dimensional drawing api for the web.
jQuery.panzoom
A jQuery plugin for panning and zooming elements using CSS3.
Pixastic
JavaScript Image Processing Library
Open Jscad.org
OpenSCAD + JavaScript = OpenJSCAD, edit locally or remote online, preview in browser direct via WebGL.
Oimo.js
Lightweight 3d physics engine for javascript
Litegl.js
Lightweight Javascript WebGL library for handling Context, Meshes, Textures and Shaders. Relies on glMatrix 2.0, very easy to use.
P2.js
JavaScript 2D physics library
Galleria
Galleria is a JavaScript image gallery framework. The aim is to simplify the process of creating professional image galleries for the web and mobile devices.