1)   TimeChimes Automated Audio Player 2.00
TimeChimes will play a sound or sounds at pre-scheduled times of day on each day of the week. Typically, TimeChimes can used to play school bells or shift-time sounds in factories, churches or businesses.

 2)   SchoolBell 7.1
SchoolBell plays sounds at specified times. It can be used to control the sound system of a school or factory break bells.