Define your own resources and enter data in a visual calendar. The time scale of the calendar can vary from minutes to years. - Multi-user support You can work together on a schedule by sharing it with collaborators. Oberplan has three roles when sharing schedules with others: Owner, Editor and Viewer. - Create a free account With a free account, you can create up to 20 schedules. Each schedule can include 500 resources and 10000 bookings. You can share a schedule with up to 100 collaborators.