Simple responsive charts
Featherlight is a very lightweight jQuery lightbox plugin. It's simple yet flexible and easy to use. Featherlight has minimal css and uses no inline styles, everything is name-spaced, it's completely customizable via config object and offers image, ajax and iframe support out of the box. Featherlights small footprint weights about 4kB – in total.
Backstretch is a simple jQuery plugin that allows you to add a dynamically-resized, slideshow-capable background image to any page or element. The image will stretch to fit the page/element, and will automatically resize as the window/element size changes.
CSS 3D Lighting Engine
An extensible WebGL-based engine for high-detail 3D visualisation
Simple isometric graphics library for HTML5 canvas
JQuery plugin that allows you to create a gallery with a justified grid. Fill all the spaces!
CSS3 Animation based image transitions
An easier way to create social icons
Responsive images while we wait for srcset to finish cooking