Isomer
Simple isometric graphics library for HTML5 canvas
Html2canvas
Screenshots with JavaScript
Tremula Js
TremulaJS: Picture Streams + Momentum Engine + Bézier Paths + Multi-Device
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Jcrop
Jcrop (official) - Image Cropping Plugin for jQuery
Beerslider
A vanilla JS keyboard accessible plugin for any before-after comparison
Responsive Slides
Simple & lightweight responsive slider plugin (in 1kb)
Raphael
JavaScript Vector Library
Scenejs
An extensible WebGL-based engine for high-detail 3D visualisation
Lightslider
JQuery lightSlider is a lightweight responsive Content slider with carousel thumbnails navigation
Intense Images
A simple library to view large images up close using simple mouse interaction, and the full screen.
Svg.js
A lightweight library for manipulating and animating SVG
Sylvester
Vector, matrix and geometry math JavaScript
FancyBox
FancyBox is a tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages.
Lightgallery.js
Full featured javascript lightbox gallery. No dependencies.
Bonsai
BonsaiJS is a graphics library and renderer
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.