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.
Stopwatch - A Java countdown timer and stopwatch. Features a fullscreen and a resizable window mode.
Timer Tab - Online countdown timer, alarm clock, and stopwatch.
TimeLeft - TimeLeft is a versatile desktop utility - it can be used as a countdown clock, reminder, clock...
Gestimer - For those little reminders during the day