Launch Clock - Set a launch date for your startup and stick to it
Timetaco - Create your own countdowns, as easy as 3, 2, 1
E.ggtimer.com - A simple countdown timer with an alarm for the browser.
Coountdown - 3 2 1 ! Create day counter on menu bar macOS. 🚀
Departure - Your website launch checklist
Padbury Clock Screensaver - Minimal screensaver for Mac