Turn.js
The page flip effect for HTML5
No Ui Slider
noUiSlider is a lightweight JavaScript range slider library. It offers a wide selection of options and settings, and is compatible with a ton of (touch) devices, including those running iOS, Android, Windows 8 and Windows Phone 8.
Zxcvbn
zxcvbn, named after a crappy password, is a JavaScript password strength estimation library. Use it to implement a custom strength bar on a signup form near you!
React Rte
Pure React rich text "WYSISYG" editor based on draft-js.
Lodash
An alternative to Underscore.js, delivering consistency, customization, performance, and extra features.
Line Chart
Awesome charts for AngularJS.
Jquery Mockjax
The jQuery Mockjax Plugin provides a simple and extremely flexible interface for mocking or simulating ajax requests and responses
Decimal.js
An arbitrary-precision Decimal type for JavaScript
jQuery Super Labels
Give your forms a helping of awesome!
jQuery Labelauty
A lightweight and beautiful jQuery plugin for radio and checkbox inputs.
Z.js
turns content (in)visible
Rye
A modern, lightweight browser library using ES5 natives
Queue
Yet another asynchronous helper library for JavaScript. 387 bytes minified and gzipped!
Poly
Small, fast, awesome. The only ES5-ish set of polyfills (shims) you can mix-and-match because they're individual AMD modules.
Mapmap.js
A data-driven API for interactive thematic maps
Hex Rgb Conversion
181 byte two way conversion micro-library for Hexadecimal & RGB colors