screen saver

Spooky gravestones fall and cover your desktop with fright, along with ghouls!

Few ships fly over desktop and fight one another!

Images of Egypt's pyramids and artifacts, with quotes from Wisdom Texts

Images of Lone Pine's koalas

Not a screen saver but a program that generates stand-alone screen savers

Screen Screw does just that, it screws with your screen.

screen-scraper is a tool for extracting data from websites.

screen-scraper mines data from web pages and is fully scriptable.

Screen Shrink is a utility to assist PDA, mobile phone and iPhone developers.

Screen Launcher lets you choose any program to run as a screensaver.