Mosaiqy
Mosaiqy it's a jQuery plugin to organize and show image thumbnails and zoom, easy to integrate also with Flickr, Instagram, Panoramio and other. Check carefully the homepage project and source code for full detail, licensing, legal notices and copyright
Viewerjs
JavaScript image viewer.
Color
JavaScript color conversion and manipulation library
Gif.js
JavaScript GIF encoding library
Beerslider
A vanilla JS keyboard accessible plugin for any before-after comparison
Soc.js
An easier way to create social icons
Riloadr
Riloadr - A cross-browser framework-independent responsive images loader written in Javascript.
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
Img to Ascii
A JavaScript implementation of a image to Ascii code
Breathing Halftone
Images go whoa with lots of floaty dots
Jimp
An image processing library written entirely in JavaScript for Node, with zero external or native dependencies.
Imager.js
Responsive images while we wait for srcset to finish cooking
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.
Mapmap.js
A data-driven API for interactive thematic maps
Baguette Box.js
Simple and easy to use lightbox script written in pure JavaScript
Responsive Img
Responsive Img is a jQuery plugin that changes an image's src attribute based on its container's width.
Microfiche.js
A carousel library made With Associates, focusing on performance, simplicity and touch.