If you are running a School or a College then you will find FET to be very useful for you. FET is a free timetabling software which will help you to automatically schedule the timetable of a school or a college. The interface is very neat which will help you to do your tasks.
Features of FET
Runs on GNU/Linux, Windows, Mac and on any system that supports QT.
Powerful flexible modular xml format for the input file.
Supports Multiple languages.
Timetables can be exported to HTMl and XML formats.