Gremlins.js
Monkey testing library for web apps and Node.js
Webfontloader
WebFont Loader gives you added control when using linked fonts via @font-face.
Chance
Chance - Random generator helper for JavaScript
Lunr.js
A bit like Solr, but much smaller and not as bright
Cropper
A simple jQuery image cropping plugin.
Surveyjs
JavaScript Survey and Form Library
Push.js
The world's most versatile desktop notifications framework :earth_americas:
Spin.js
A spinning activity indicator
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.
Masonry
Layout elements in a grid, like a mason fitting stones in a wall
Sea.js
A Module Loader for the Web
Data Tables
DataTables is a plug-in for the jQuery Javascript library. It is a highly flexible tool, based upon the foundations of progressive enhancement, which will add advanced interaction controls to any HTML table.
Js Lingui
🌍📖 A readable, automated, and optimized (5 kb) internationalization for JavaScript
Annyang
A javascript library for adding voice commands to your site, using speech recognition.
Superstruct
A simple and composable way to validate data in Javascript.
Carlo
Web rendering surface for Node applications
Hint.css
A tooltip library in CSS for your lovely websites.