Hourglass - Hourglass is the most advanced simple countdown timer for Windows.
Online Alarm Kur - Free online alarm clock, set alarm easily on your computer using the internet alarm clock without downloading any software, wake up in time with the loud online alarm clock.
wnr - Better than pomodoro, this timer app balances work and rest.
Free Countdown Timer - Free Countdown Timer is a free, full-featured and user-friendly countdown timer for Windows
KukuKlok - Kukuklok is a free alarm clock available online and offline.
XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!