3D DNA Screensaver: Screensaver with 3D DNA model replicating inside the cell.
3D Wormhole Screensaver: Win32 screen saver simulates flying through a 3D tunnel. Product is both freeware and shareware. [Requires DirectX]
Appleblossom Art: 3D screensavers and desktop themes that never expire made of abstract art and fractals.
Galleon 3D Screensaver: A galleon from the Age of Great Explorations is crossing the dangerous ocean at full sail again.
M3DSaver: Windows screensaver featuring 3D images, and fractals using Mandelbrot and Julia Set. Download demo version.
Michael Bozenicar Fantasy 1 Screen Saver: 15 high quality Bryce and Poser images in a slide show.
NevoSoft: Collection of free and shareware 3D screen savers. Product specifications, screenshots, and downloads.
Oneiric Software: Win32 screen saver simulates living spheres in various 3D environments. Product is shareware. [Requires DirectX]
Potfield Screen Saver: Free screensaver for Windows, designed to be an improvement of the popular star field screen saver that comes standard.