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Davis vs Baïkal: catalog facts
Davis	Baïkal
Free Free and open source under the MIT licence.	Free Free and open source under the GPL v3.
Web, Self-hosted	Self-hosted
Web dashboard for users, calendars and address books IMAP and LDAP authentication options	Runs on any basic PHP host Web interface for users, calendars and address books
Requires PHP 8.2 or later and a database Single main maintainer	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: MIT	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.