Protractor
E2E test framework for Angular apps
Casper JS
Navigation scripting & testing utility for PhantomJS and SlimerJS
Bottlejs
A powerful, extensible dependency injection micro container for JavaScript applications
Tus Jquery Client
A jquery plugin implementing the tus resumable upload protocol.
Tlapse
📷 Create a timelapse of your web development... or just automatically take screenshots of your hard work ;)
Rill
:left_right_arrow: Universal web application framework.
Quixote
CSS unit testing
Dragscroll
tiny library for drag-n-drop scrolling style
Trmix
apply CSS based on your browser's text rendering engine
Responsive Img
Responsive Img is a jQuery plugin that changes an image's src attribute based on its container's width.
Grapnel.js
A simple, lightweight library making it easy to create routes or run events based on a specific URL hashtag.
jQuery QR Code
qrcode generation standalone (doesn't depend on external services)
jQuery Knob
Nice, downward compatible, touchable, jQuery dial
Vegas
Vegas is a jQuery plugin to add beautiful fullscreen backgrounds to your webpages. It even allows Slideshows.
Switchery
iOS 7 style switches for your checkboxes
Siema
Siema - Lightweight and simple carousel in pure JavaScript
Kute.js
KUTE.js is a native Javascript animation engine featuring badass performance, morphSVG, drawSVG, 2D and 3D transforms, SVG transforms, colors, as well as other CSS3 properties or presentation attributes.