Flux Slider
CSS3 Animation based image transitions
Soc.js
An easier way to create social icons
Imager.js
Responsive images while we wait for srcset to finish cooking
Jail
JqueryAsynchImageLoader Plugin for jQuery
Responsive Img
Responsive Img is a jQuery plugin that changes an image's src attribute based on its container's width.
Snap.svg
The JavaScript library for modern SVG graphics.
Sequence
The Responsive Slider with Advanced CSS3 Transitions
Drawingboard.js
A canvas based drawing app that you can integrate easily on your website.
Fotorama
A simple, stunning, powerful jQuery gallery. Licensed under the MIT.
Swiper
Mobile touch slider and framework with hardware accelerated transitions
Joint
JavaScript diagramming library
Cycle2
2nd gen cycling
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
Magnific Popup
Light and responsive lightbox plugin with focus on performance.
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.