Perfect Alarm Clock With this free alarm clock you can set infinite number of alarms, triggering on a one time, daily, or weekly basis. Perfect Alarm Clock can play any audio file you specify (mp3, wma, ogg, etc).
Chameleon Clock Change the appearance of your Windows tray clock and desktop with new skins
aClock Pro aClock Pro is a desktop clock with useful features like world time clock, alarms, pop-up reminders, atomic clock synchronization and countdown