Google Analytics plugin that tracks how far users are scrolling.

Makes building interactive, multi-state prototypes for websites and apps easy.

For number, money and currency formatting

Check if the user is looking at the page or interacting with it.

For favicons with badges, images or videos

Helps apps deal with lost internet connections and low battery levels.

**Blacklist.js** is a simple jquery plugin for blacklisting unwanted words.

Ultra High Entropy Pseudo-Random Number Generator for jQuery.

Wikimedia universal language selector

A lightweight, extensible syntax highlighter.

For skewing the shapes of elements

Hide anything with a bit of blur. Hint on mouseover. Reveal on click.

A library for building credit card forms, validating inputs & formatting numbers.

Duplicate elements, change them & then, eventually, recall the original.