Nextcloud

EU verified

Open-source, self-hostable collaboration platform from Germany – files, calendar, office and more.

Confidence: high

Nextcloud is the leading open-source alternative to cloud suites such as Google Workspace or Microsoft 365. Self-hosted or operated through a European provider, Nextcloud combines file sharing, calendar, contacts, video calls and office editing. Full data sovereignty is therefore central. The Community Edition (AGPLv3) is free for unlimited users – only the costs of your own server apply; Nextcloud Enterprise with support starts at around €69 per user per year (from 100 users).

Note on ownership: Nextcloud GmbH based in Stuttgart, founded in 2016 by Frank Karlitschek as a fork of ownCloud. Software under GNU AGPLv3, developed with hundreds of community contributors.

Strengths

Full data sovereignty through self-hosting
Open source with a large app ecosystem
Covers files, groupware and office

Weaknesses

Self-hosting requires operation and maintenance
Performance depends heavily on your own infrastructure

Best for

• Public authorities, schools and companies with sovereignty requirements
• Teams that want a European Microsoft 365 alternative

Less suited for

• Small teams without IT resources and without a managed hoster

Sovereignty Score & weitere Bewertungen

Sovereignty Score90

Privacy Score88

Open Source Score95

Business fit78

Enterprise readiness80

Pricing transparency75

The Sovereignty Score is an editorial orientation aid, not legal advice. How we rate.

Alternative to

Google Drive Dropbox Microsoft 365

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Sources & notes

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