Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Tomato Timer - TomatoTimer is a flexible and easy to use online Pomodoro Technique Timer
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.
focus booster - focus booster is a simple timer application following the 'Pomodoro technique' for time...
wnr - Better than pomodoro, this timer app balances work and rest.
YAPA - Pomodoro timer