Compare software

tine Groupware vs Zoho Calendar: catalog facts
tine Groupware	Zoho Calendar
Free Open-source software; the research does not detail any paid offerings.	Freemium Free to start, with paid Zoho plans for business features.
Web, Self-hosted	Web
Email, calendar, contacts and tasks in one platform Resource planning for shared appointments	Team calendars with availability checks Built-in appointment and resource booking
Website and documentation mostly in German Aimed at organisations rather than individual users	Hosted service, with data stored by Zoho Most useful inside the wider Zoho ecosystem
Self-hosted	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.