Paper.js
The Swiss Army Knife of Vector Graphics Scripting – Scriptographer ported to JavaScript and the browser, using HTML5 Canvas. Created by @juerglehni & @jonathanpuckey
Easel JS
The Easel Javascript library provides a full, hierarchical display list, a core interaction model, and helper classes to make working with the HTML5 Canvas element much easier.
Html2canvas
Screenshots with JavaScript
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
Fotorama
A simple, stunning, powerful jQuery gallery. Licensed under the MIT.
Glide
A dependency-free JavaScript ES6 slider and carousel. It’s lightweight, flexible and fast. Designed to slide. No less, no more
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.
Grimoire Js
A WebGL framework for Web development.
Siema
Siema - Lightweight and simple carousel in pure JavaScript
Nivo Slider
The Most Awesome jQuery Image Slider
Cropper
A simple jQuery image cropping plugin.
Lightslider
JQuery lightSlider is a lightweight responsive Content slider with carousel thumbnails navigation
Isomer
Simple isometric graphics library for HTML5 canvas
jQuery Backstretch
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.
Magnific Popup
Light and responsive lightbox plugin with focus on performance.
Slides
Slides is a crazy simple slideshow plugin for jQuery. With features like looping, auto play, fade or slide transition effects, crossfading, image preloading, and auto generated pagination. With Slides you’ll never see multiple slides fly by. Slides elegantly just slides from one slide to the next. Awesome.
Photoset Grid
A simple jQuery plugin to arrange images into a flexible grid, based on Tumblr's photoset feature.