Google Calendar - Spend less time managing your day & more time enjoying it
iStudiez - iStudiez combines tracking schedule, homework and grades with a delightful user experience.
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.
FamCal - FamCal is an organized and managed calendar to track the family records like events, notes, and dates of births.
Jorte - Schedule books must be practical and has a good design.
MyHomework - myHomework is an app where students can manage their school life.