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GroupOffice vs tine Groupware: catalog facts
GroupOffice	tine Groupware
Free Open source under AGPL-3.0; Intermesh also offers hosting on its own cloud.	Free Open-source software; the research does not detail any paid offerings.
Web, Self-hosted	Web, Self-hosted
Groupware, CRM, projects and invoicing in one platform Integrated Collabora Online document editing	Email, calendar, contacts and tasks in one platform Resource planning for shared appointments
Broad scope means more setup than a single-purpose tool Aimed at organisations rather than individuals	Website and documentation mostly in German Aimed at organisations rather than individual users
Self-hosted, Hosted service	Self-hosted
Open source	Open source
License: AGPL-3.0	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 2, 2026

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