Perfect Alarm Clock is a free software that enables you to set infinite number of alarms, triggering on a one time, daily, or weekly basis. Perfect Alarm Clock not only plays any audio file you specify (mp3, wma, etc), but can also be used as a scheduler, to launch any application at a specified time. Perfect Alarm Clock minimizes to tray and runs in the background, occupying no space on your desktop, and using minimal system resources.