Google Calendar - Spend less time managing your day & more time enjoying it
Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.
CalenGoo - Features | 1.0.175 for Android™
ApPHP Calendar - ApPHP Calendar is a PHP calendar script that may be easily integrated and used with various PHP projects, such as schedulers, event, etc.
Annual View - Annual View displays and manages calendar events within a year view.
UpTo - Life goes beyond meetings and appointments