Some may think it strange to design and build an entire PC and custom enclosure dedicated to running a 20-year-old screensaver, but I can explain. Retro computing fans and well-seasoned enthusiasts ...
I'm a fan of SereneScreen Marine Aquarium, although it isn't free. It's just $19.95, though, which isn't bad in my opinion. I don't know if there are better aquarium screensavers out there, but this ...