iScreensaver - iScreensaver is a multi-featured software that uses Image, Live Photo, Video, Movie, and 3D Model files to create screensavers for Windows and Macintosh.
Coountdown - 3 2 1 ! Create day counter on menu bar macOS. 🚀
Screensaver Factory - Screensaver Factory is a major screensaver solution that enables everyone to create realistic screensavers in no time at all.
Timetaco - Create your own countdowns, as easy as 3, 2, 1
Web-Page-Screensaver - Web-Page-Screensaver is an open-source tool that is designed to display a web page as your screensaver.
Padbury Clock Screensaver - Minimal screensaver for Mac