End-to-end encrypted collaboration suite with documents, sheets, slides, forms, and drive, built by XWiki SAS in Paris.
Microsoft 365
Office & Collaboration SuitesMicrosoft's productivity suite bundling Outlook, Exchange Online, Word, Excel, SharePoint, and Teams, headquartered in Redmond, Washington.
European Alternatives to Microsoft 365
Long-running German free webmail service with optional paid ad-free tiers, virus scanning, and generous storage.
Alternative to:Google WorkspaceMicrosoft 365Yahoo Mail
Linux-based groupware suite positioned as a drop-in Exchange replacement, built by owner-managed grommunio GmbH in Vienna.
Alternative to:Microsoft 365
German business email and office suite (mail, calendar, contacts, cloud storage) run by Heinlein Hosting GmbH in Berlin.
Alternative to:Google WorkspaceMicrosoft 365
Belgian encrypted email and office suite with OpenPGP support, operated by ContactOffice Group in Brussels.
Alternative to:Google WorkspaceMicrosoft 365
Self-hostable German collaboration suite bundling files, chat, groupware, and office editing into one platform from Nextcloud GmbH.
Alternative to:Google WorkspaceMicrosoft 365
Open-source office and collaboration suite for public administration, developed by the German federal government's ZenDiS GmbH in Bochum.
Alternative to:Microsoft 365Google Workspace
Browser-based mail, calendar, contacts, and document suite from Open-Xchange AG in Cologne, deployed by hosters and public-sector bodies.
Alternative to:Microsoft 365Google Workspace
End-to-end encrypted, quantum-resistant email and calendar service run by Tutao GmbH in Hanover, Germany.
Alternative to:Google WorkspaceMicrosoft 365
Open-source digital workplace bundling chat, drive, mail, calendar, and video calls, published by LINAGORA near Paris.
Alternative to:Google WorkspaceMicrosoft 365
German free webmail service, sister brand to GMX, with paid ad-free tiers, cloud storage, and an integrated news portal.