Beerslider
A vanilla JS keyboard accessible plugin for any before-after comparison
Vegas
Vegas is a jQuery plugin to add beautiful fullscreen backgrounds to your webpages. It even allows Slideshows.
Siema
Siema - Lightweight and simple carousel in pure JavaScript
Jimp
An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.
Elastislide
Elastislide is a responsive image carousel that will adapt fluidly in a layout. It is a jQuery plugin that can be laid out horizontally or vertically with a pre-defined minimum number of shown images
Microfiche.js
A carousel library made With Associates, focusing on performance, simplicity and touch.
Lightgallery.js
Full featured javascript lightbox gallery. No dependencies.
Isomer
Simple isometric graphics library for HTML5 canvas
Fotorama
A simple, stunning, powerful jQuery gallery. Licensed under the MIT.
Imager.js
Responsive images while we wait for srcset to finish cooking
Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Responsive Img
Responsive Img is a jQuery plugin that changes an image's src attribute based on its container's width.
Processing.js
A port of the Processing visualization language to JavaScript.
Joint
JavaScript diagramming library
Magnific Popup
Light and responsive lightbox plugin with focus on performance.
Chocolat
Chocolat : Responsive jQuery Lightbox Plugin
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)