Dcode Symbolic Calculator - Dcode Symbolic Calculator is an advanced utility tool that can be really helpful in making symbolic computation without any hurdle to face.
TimeLeft - TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock...
Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
wnr - Better than pomodoro, this timer app balances work and rest.
Timer and Stopwatch - Online Stopwatch, with start alerts, lap times and sounds. Save details of your timings in a text file.
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.