Web Design Resources and SWAPP

http://www.presidiacreative.com/20-free-useful-tools-for-designers-and-developers/

MyFonts (beta)
http://new.myfonts.com/
Use the world’s largest collection of fonts to…

TypeTester
http://www.typetester.org/
The Typetester is an online application for comparison of the fonts for the screen.

Adobe Kuler
http://kuler.adobe.com/
Explore, create and share color themes.

BrowserShots
http://browsershots.org/
Browsershots makes screenshots of your web design in different browsers. It is a free open-source online service created by Johann C. Rocholl. When you submit your web address, it will be added to the job queue. A number of distributed computers will open your website in their browser. Then they will make screenshots and upload them to the central server here.

Tracer
http://www.tynt.com/
Tracer does a couple of interesting things: it tracks user engagement on your site by tracking copy and paste activity and automatically adds a link back to your content when it is pasted somewhere else.

See Also:

SWAPP Invoice System (alpha)
http://www.siwapp.org/
An open source web application meant to help manage & create invoices in a simple, straightforward way.