Flex Slider
An awesome, fully responsive jQuery slider plugin
Ejecta
A Fast, Open Source JavaScript, Canvas & Audio Implementation for iOS
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Philogl
A WebGL Framework for Data Visualization, Creative Coding and Game Development
Beerslider
A vanilla JS keyboard accessible plugin for any before-after comparison
Html2canvas
Screenshots with JavaScript
Responsive Slides
Simple & lightweight responsive slider plugin (in 1kb)
Jcrop
Jcrop (official) - Image Cropping Plugin for jQuery
Svg.js
A lightweight library for manipulating and animating SVG
Raphael
JavaScript Vector Library
Snap.svg
The JavaScript library for modern SVG graphics.
Intense Images
A simple library to view large images up close using simple mouse interaction, and the full screen.
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.
Processing.js
A port of the Processing visualization language to JavaScript.
Bxslider 4
Responsive jQuery content slider
Isomer
Simple isometric graphics library for HTML5 canvas
Baraja
Baraja is a jQuery plugin that allows to move elements in a card-like fashion and spread them like one would spread a deck of cards on a table.