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LibreBooking vs Zoho Calendar: catalog facts
LibreBooking	Zoho Calendar
Free Free and open source under the GPL-3.0 license.	Freemium Free to start, with paid Zoho plans for business features.
Web, Self-hosted	Web
Waitlists, quotas and credits for reservations LDAP, Active Directory, OAuth2 and SAML sign-in	Team calendars with availability checks Built-in appointment and resource booking
Aimed at organizations rather than personal appointment booking Requires running and maintaining your own server	Hosted service, with data stored by Zoho Most useful inside the wider Zoho ecosystem
Self-hosted	Web application
Open source	Closed source
License: GPL-3.0	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.