Useful webapp for testing website layouts at different screen sizes.

The paper patterns are particularly nice.

A very clear tutorial on using Tinderbox to create HTML. Covers the basics, but also goes in to some more advanced techniques. You can download the template and files used at GitHub.

Looks like an interesting project. I'm all for these kinds of framework kits to make designing web pages easier for those of us who are artistically-challenged.

Very nice free icon set.

"Spiffy Corners is a simple way to generate the CSS and HTML you need to create anti-aliased corners without using images or JavaScript."

Useful-looking development documentation sidebar for Firefox. Works for a number of languages.