Wod Blocks - A full workout timer
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Timeglass - Multi-step & spoken timers for your workouts & cooking.
wnr - Better than pomodoro, this timer app balances work and rest.
Flap Fit - Flap yur way to fitness
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows