Countdown Screensaver - A Mac screensaver for counting down to a date ๐ฅ๐
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
Timetaco - Create your own countdowns, as easy as 3, 2, 1
Padbury Clock Screensaver - Minimal screensaver for Mac
Days App - A beautiful countdown app to the events that matter to you.
Really Slick Screensavers - Really Slick contains free 3D OpenGL screensavers.