3 open-source Scheduling & Booking vendors
Open-source software for Scheduling & Booking that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 3
- European
- 3
- last checked
- 10 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100Easy!AppointmentsGreece · Self-hosted / open sourceOpen-source online booking system for scheduling appointments
- Sovereignty score 94 out of 100Nextcloud CalendarGermany · Self-hosted / open sourceOpen-source calendar app for Nextcloud from Germany, self-hosted on a Nextcloud server, with CalDAV synchronisation
- Sovereignty score 94 out of 100PretixGermany · EU sovereignGerman open-source ticketing platform from Heidelberg for events and conferences
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