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Nextcloud
🇩🇪 DE · from €6.25/user/mo
Open-source collaboration suite with EU hosting and end-to-end encryption, built in Germany.
EU hostedGDPROpen sourceFree planISO 27001
Visit website →Nextcloud keeps data on EU servers under ISO 27001 certification. The platform merges file sync, document editing, calendar, contacts and team chat in a single interface, secured with end-to-end encryption. Used by public administrations, universities and SMEs for GDPR-compliant collaboration. Paid plans start at €6.25 per user per month; a free tier is available.