Nufsoft: Water Illusion Screen Saver
Featuring nature screensavers, professional screensaver creator, and free screensaver for all
http://www.nufsoft.com/

HowTo: Hack up a Mac OS X Screen Saver
Explains how to customize Apple's built in Basic.saver.
http://homepage.mac.com/redbird/iblog/GWPublications/C1045275013/E246001009/index.html

Macbennsie
mac screensaver
http://macbennsie.tripod.com/

Imaja: Bliss Saver
Features interactive animations as a screen saver and a graphic toy. MIDI and sound input are supported. Demo available.
http://www.imaja.com/blisssaver/

Cool Captions
Funny 3D screen savers, games and online Java games
http://www.by-art.com/coolcaptions.htm

Tropical Wares
Tropical Wares offers quality software, desktop wallpaper and screensaver utilities for free downloads.
http://www.tropicalwares.com/

Multi-Screensaver
A screen saver manager to run different a screen saver every time the computer is idling. Demo version available.
http://www.multi-screensaver.com/

A Bit of Irish Screen Saver
St.Patrick's Day Screen Saver for Windows. Download our St.Patrick's Day Screen Saver and many holiday screen savers at Acez.com
http://www.acez.com/irish.htm

Potfield Screen Saver
Designed as an improvement on the standard starfield screen saver.
http://www.metalshell.com/potfield/

RJL Software: AnyImage Screen Saver
AnyImage Screen Saver allows you to customize ANY image for display in your screen savers.
http://www.rjlsoftware.com/software/desktop/anyimage/