XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!
Timetaco - Create your own countdowns, as easy as 3, 2, 1
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Coountdown - 3 2 1 ! Create day counter on menu bar macOS. 🚀
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
Days App - A beautiful countdown app to the events that matter to you.