Countdown Screensaver - A Mac screensaver for counting down to a date 🖥🕐
Fliqlo Screensaver - A screensaver that displays the time using a flip clock.
Email Taco - A free email countdown timer for expiring offers
Padbury Clock Screensaver - Minimal screensaver for Mac
Countdown to Inbox Zero - Always respond on time
Xscreensaver for Windows - XScreenSaverWin is a Windows port of XScreenSaver. 204 screensavers in XScreenSaver were ported.