It's raining emoji in this animated screensaver from Screensavers Planet, a reputable source for free screensavers. While you're away from the computer, emoji come falling down from the top of the screen against a blue background.
Downloads: 43033 - Freeware - Download Now

The PolyMorph3D Screen Saver will mesmerise and relax you as you watch computer generated 3D patterns gracefully morph and swirl around your screen. The PolyMorph3D Screen Saver is truly a hypnotic experience!
Downloads: 44595 - Shareware - Download Now

This screensaver shows you off the collection of beautiful saturated images of lofty mountains from different places on Earth. You wiil see the highest mountains like Everest, Annapurna, Lhotse, Nuptse from Nepal, Fuji from Japan.
Downloads: 11423 - Freeware - Download Now

Count down the days, hours, minutes and seconds until Christmas Day with the Christmas Countdown screensaver for Windows and Mac with a flip-clock style countdown, a waving Santa Claus, two elves, Rudolph, a tree, and other Christmas items.
Downloads: 34419 - Freeware - Download Now

Acid Dreams screensaver resembles the tie-dye T-shirts of the '70's. It's very customizable, allowing for nearly endless possible combinations of different effects. Watch the ever-changing motion and you could end up losing your lunch.
Downloads: 50684 - Shareware - Download Now