Zorro - Freeware Windows system utilities. Home of Send To Toys, Zorro, and Restart.
Padbury Clock Screensaver - Minimal screensaver for Mac
Pliim - One click and be ready to go up on stage and present!
XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...
HiddenMe - Hide desktop icons with a single click.
Really Slick Screensavers - Really Slick contains free 3D OpenGL screensavers.