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SOGo vs Zoho Workplace: catalog facts
SOGo	Zoho Workplace
Free Free and open source; paid premium support is offered separately.	Freemium Listed as freemium, with paid plans for larger teams and more features.
Web, Self-hosted	Web
Webmail, calendars and contacts in one self-hosted server CalDAV, CardDAV and ActiveSync support for native and mobile clients	Mail, chat, meetings and office editors in one platform Includes WorkDrive for shared files
Needs existing mail and directory servers to integrate with Outlook support depends on a separate CalDAV synchronizer	Hosted only, with data on Zoho's servers Geared towards business teams rather than individuals
Self-hosted	Web application, Hosted service
Open source	Closed source
License: GPL-2.0-or-later / LGPL-2.0-or-later	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 September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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