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EGroupware vs Teamup Calendar: catalog facts
EGroupware	Teamup Calendar
Freemium Free Community Edition; the EPL edition and cloud hosting are paid.	Freemium A calendar can be created from the homepage; business features are sold as plans.
Web, Self-hosted	Android, Web
Wide feature set from email and calendar to CRM and helpdesk Can be self-hosted or used as a German-hosted cloud service	Twelve views including timeline, scheduler and table Calendars can be shared across organizations
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 on Teamup's servers Aimed mainly at business use
Web application, Self-hosted, Hosted service	Downloadable app, Web application, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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 1, 2026

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