This is the alarm clock that we use in my house.
EditBy: Daves Stupid Alarm Clock is a simple program that works more or less like a standard alarm clock. At certain times, it plays music, with the intention of waking me up.

Features:

Multiple alarms. Each alarm can only go off at one time, but can be scheduled for any day of the week.
Enable/disable alarms. Each alarm can be turned off.
Snooze
m3u playlist support
Uses external programs for music playing, so it always works, or at least can be configured to work.
Automatic mixer. When its time for an alarm to go off, dsac will Crank every mixer channel to maximum, and then restore the mixer to all of its previous values.
Logging.
Small resource usage.
System tray application. you can free download pyAlarm 0.1.6.1 now.