Vegas
Vegas is a jQuery plugin to add beautiful fullscreen backgrounds to your webpages. It even allows Slideshows.
Stratifiedjs
Oni StratifiedJS (previously Apollo)
Spectrum
The No Hassle JavaScript Colorpicker
Sizzle
A sizzlin' hot selector engine.
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
Bespoke.js
DIY Presentation Micro-Framework
Ag Grid
The best JavaScript Data Table for building Enterprise Applications. Supports React / Angular / Vue / Plain JavaScript.
Interact.js
Drag and drop, resizing and multi-touch gestures with inertia and snapping for modern browsers (and also IE8+)
Chartkick
Create beautiful Javascript charts with one line of Ruby
Toolbar
A tooltip style toolbar jQuery plugin
Weld
Template antimatter for Node.js (Browsers too!)
Vivus
JavaScript library to make drawing animation on SVG
Swing
A swipeable cards interface. The swipe-left/swipe-right for yes/no input. As seen in apps like Jelly and Tinder.
Microfiche.js
A carousel library made With Associates, focusing on performance, simplicity and touch.
Logerr
Playing with console errors, experimental project.