Accounting.js
A lightweight JavaScript library for number, money and currency formatting - fully localisable, zero dependencies.
Responsible
Responsible.js - Give visitors the choice of what mobile experience they want. Adds Toggle for mobile to desktop switching without page reloads
Ng Morphing Modal
Angular Morphing Modal
Objgrep
Find strings inside complicated javascript objects
Wordcount.js
Calculate file newlines, word, and byte counts on client side using HTML5 File API. (Emulates Linux's wc command)
Theory
Abstraction layer for cross platform JavaScript.
Probability.js
Probability.js makes it easy to call JavaScript functions by probability in Node.js and the browser.
Is Near
Calculates if the mouse position is near to a given element.
Battery.js
A tiny wrapper for the HTML5 Battery Status API.
Stringformatter
JS string formatter that supports objects, currency, date/time, decimals, and more supports easy extension and garbage collection ... goes far beyond sprintf approach.
T Former.js
tFormer.js - Empower your HTML forms
Char Funk
a Unicode character utility for JavaScript
Zen Form
Add distraction mode for forms
Scrob Master
Master your scroll events.
JS Movieclip
A javascript little framework to animate spritesheet as AS3 movieclip
jQuery Snipe
jQuery plugin to add a sniper-lens-style zoom on images
Typecast.js
Typecast.js :: Solving the simple problems