Today is the first time I see FET the first entry in Google for the term 'timetable software' (without quotes). Make sure that you use google.com, (not google.co.uk or google.ro for instance), if you want to check this.
Also, 'timetabling' is a nice position for FET (4th) and 'timetabling software' is the 1st (again, I refer to the search string without quotes).