Decimal.js
An arbitrary-precision Decimal type for JavaScript
Count Up.js
Animates a numerical value by counting to it
jQuery Labelauty
A lightweight and beautiful jQuery plugin for radio and checkbox inputs.
Z.js
turns content (in)visible
Timezone Js
Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.
Rye
A modern, lightweight browser library using ES5 natives
Pretty Checkable
A jQuery plugin to replace checkboxes and radios for custom images
Power Array
Boosted Performance Array
Pegasus
Load data while still loading other scripts and display data faster in jQuery, Backbone, Angular, ... apps
J Query Ui Slider Pips
Plugin for adding little 'pips' , 'floats' and labels to a slider.
Isometric
JSIso - An HTML5 Canvas Tile Engine
Hex Rgb Conversion
181 byte two way conversion micro-library for Hexadecimal & RGB colors
Contra
Asynchronous flow control with a functional taste to it
Completely
A fresh take on autocompletion for a wonderful user experience
Breeze
Breeze.js is a JavaScript library for managing data in data rich-client HTML/JS applications.
Persist State
jQuery Ui widget that will transparently save the state of checkboxes, inputs, selects, etc in localStorage, restoring these on the user's next visit to the page.
Progression.js
A jQuery plugin that gives users real time hints & progress updates as they complete forms