24me - Next Generation Personal Assistant
Google Calendar - Spend less time managing your day & more time enjoying it
Awesome Cal - Awesome Cal is a Calendar application for your iPhone that you can take anywhere and keep close by to monitor all the upcoming birthdays, festivities, meetings, and more from a single place.
Cozi - Cozi | Must-have app for the modern family
Pocket Informant - Pocket Informant is the Best Calendar app for mac and iOS. Pocket Informant for iOS, Mac desktop, and Android.
WAVE Calendar - WAVE Calendar is a revolutionary app, which is designed to bring balance to your life