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Xandikos vs Baïkal: catalog facts
Xandikos	Baïkal
Free Free and open source under the GPL-3.0 licence.	Free Free and open source under the GPL v3.
Linux, Self-hosted	Self-hosted
Git-backed storage with change history Broad, documented standards coverage	Runs on any basic PHP host Web interface for users, calendars and address books
No built-in web interface for managing calendars WebDAV LOCK operations not implemented	No built-in calendar or contacts web client for end users Docker installation is only unofficial
Self-hosted	Self-hosted
Open source	Open source
License: GPL-3.0	License: GPL-3.0
Not stated if an account is needed	No 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 24, 2026

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