Compare software

tine Groupware vs Nextcloud Calendar: catalog facts
tine Groupware	Nextcloud Calendar
Free Open-source software; the research does not detail any paid offerings.	Free Free app for Nextcloud servers.
Web, Self-hosted	Web, Self-hosted
Email, calendar, contacts and tasks in one platform Resource planning for shared appointments	Calendars stay on your own server CalDAV sync with standard clients
Website and documentation mostly in German Aimed at organisations rather than individual users	Requires a running Nextcloud server Not a standalone app
Self-hosted	Self-hosted
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.