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GroupOffice vs EGroupware: catalog facts
GroupOffice	EGroupware
Free Open source under AGPL-3.0; Intermesh also offers hosting on its own cloud.	Freemium Free Community Edition; the EPL edition and cloud hosting are paid.
Web, Self-hosted	Web, Self-hosted
Groupware, CRM, projects and invoicing in one platform Integrated Collabora Online document editing	Wide feature set from email and calendar to CRM and helpdesk Can be self-hosted or used as a German-hosted cloud service
Broad scope means more setup than a single-purpose tool Aimed at organisations rather than individuals	Some features are reserved for the paid EPL edition A large suite to set up and maintain on your own server
Self-hosted, Hosted service	Web application, Self-hosted, Hosted service
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.