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Nextcloud Calendar vs Google Calendar: catalog facts
Nextcloud Calendar	Google Calendar
Free Free app for Nextcloud servers.	Free Free with a Google account.
Web, Self-hosted	Web
Calendars stay on your own server CalDAV sync with standard clients	Free to use Syncs across devices
Requires a running Nextcloud server Not a standalone app	Requires a Google account Data is stored on Google's servers
Self-hosted	Web application, Hosted service
Open source	Closed source
License not stated	License not stated
Account 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 September 23, 2026

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