XNote Stopwatch - Try the most feature-rich stopwatch and timer software on the net for free!
Online timer - Online timer is a free and easy-to-use tool that comes with a very simple way to get done with measuring time and alarm.
Gestimer - For those little reminders during the day
Timer Tab - Online countdown timer, alarm clock, and stopwatch.
Stopwatch - yeahit - Minimal stopwatch
SnapTimer - SnapTimer is a simple, free, portable countdown timer for Windows.