OggSync
6.8#127 in calendar appsFrom $29 a yearFree planWindows
Visit| Fact | OggSync | Teamup |
|---|---|---|
| Calendar sync | two_way | iCalendar feeds can bring Google Calendar, Outlook, or Apple iCal calendars into Teamup or display Teamup calendars in those services. |
| Founded | 2007 | 2014 |
| Free plan | Yes | Yes |
| Headquarters | The About page lists Madison, Alabama, USA as its location. | Zurich, Switzerland |
| Mobile apps | none | Teamup offers iOS and Android apps; creating calendars and changing calendar settings requires a browser. |
| Permissions | OggSync says it requests only the minimum permissions needed for calendar sync and does not access email or other Google services. | Administrators can assign nine permission levels to control access to calendars and events. |
You want what its maker publishes above — check its page for the details.
It suits businesses and teams coordinating shared schedules, resources, or operations, from room bookings to field-crew job schedules. The free plan is sized for up to five users and five sub-calendars.