Teamup Calendar - Cloud-based calendaring using capability URL, application developed in Zurich, Switzerland.
Google Calendar - Spend less time managing your day & more time enjoying it
Teamweek - A project management software to help you get the best overview. Plan fast, change plans faster!
CalenGoo - Features | 1.0.175 for Android™
Annual View - Annual View displays and manages calendar events within a year view.
Cronofy - Unified Calendar API for developers