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EGroupware vs Zoho Calendar: catalog facts
EGroupware	Zoho Calendar
Freemium Free Community Edition; the EPL edition and cloud hosting are paid.	Freemium Free to start, with paid Zoho plans for business features.
Web, Self-hosted	Web
Wide feature set from email and calendar to CRM and helpdesk Can be self-hosted or used as a German-hosted cloud service	Team calendars with availability checks Built-in appointment and resource booking
Some features are reserved for the paid EPL edition A large suite to set up and maintain on your own server	Hosted service, with data stored by Zoho Most useful inside the wider Zoho ecosystem
Web application, Self-hosted, Hosted service	Web application
Open source	Closed source
License not stated	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.