FamCal - FamCal is an organized and managed calendar to track the family records like events, notes, and dates of births.
TimeTune - TimeTune improves your daily routine and allows you do more things with your time.
Power Planner - Record homework and class schedule.
Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
Sectograph - Sectograph app enables you to create a visual event tracker to keep track of all your upcoming events and due tasks right from the home screen.
Google Calendar - Spend less time managing your day & more time enjoying it