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DAViCal vs Nextcloud Calendar: catalog facts
DAViCal	Nextcloud Calendar
Free Free software under the GNU General Public License.	Free Free app for Nextcloud servers.
Linux, Self-hosted	Web, Self-hosted
Calendar delegation and shared access between users Free/busy scheduling for meetings	Calendars stay on your own server CalDAV sync with standard clients
Requires PostgreSQL and a PHP web server Setup is more involved than lighter CalDAV servers	Requires a running Nextcloud server Not a standalone app
Self-hosted	Self-hosted
Open source	Open source
License: GPL-2.0	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.