Trickster - Keep track of recent files on your Mac
Padbury Clock Screensaver - Minimal screensaver for Mac
Declutter - Cleans and organises your files in Mac desktop automatically
XScreenSaver - XScreenSaver is the standard screen saver collection shipped on most Linux and Unix systems running...
Fossils - Find and clean out all your old unused files
Really Slick Screensavers - Really Slick contains free 3D OpenGL screensavers.