Be Focused by XWaveSoft - Simple Pomodoro timer in your Mac's menu bar
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Effortless - Stay focused and beat procrastination on your Mac.
wnr - Better than pomodoro, this timer app balances work and rest.
Memory by Timely - An intelligent timeline of everything you did in a day.
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows