HomeAppsProductivityOne CalendarApps like One Calendar Here are some great alternatives to One Calendar by Code Spark : Calendar+ Schedule Planner ★3.6 CalendarSync - CalDAV and more ★4.1 Calendar Planner ★4.2 Business Calendar ★4.1 Morgen Calendar & Task Manager ★4.3 Calendar+ Schedule Planner ★4.0 Microsoft Outlook ★4.5 Business Calendar 2 Planner ★4.6 149 Live Calendar & ToDo List ★4.4 CalenGoo Calendar Trial vers. ★3.3 Fossify Calendar ★4.6 CalenGoo - Calendar and Tasks ★4.5 Business Calendar Pro ★4.3 BlackBerry Hub+ Calendar ★3.3 Calendar Launcher ★4.5 YATOO Calendar Widget ★4.0