weinre is a debugger for web pages, like FireBug (for FireFox) and Web Inspector (for WebKit-based browsers), except it’s designed to work remotely, and in particular, to allow you debug web pages on a mobile device such as a phone.

A lightweight javascript date library for parsing, manipulating, and formatting dates.

throbber.js is a javascript Throbber, made using canvas and fully configurable with a gif fallback option.

CSS, meet kerning. Kerning, meet CSS. Kern, style, transform, and scale your web type with real CSS rules, automatically.

Build web apps beautifully and quickly

I may try to, one day.

Nice, customizable, image-less spinner animation.