EU Alternatives to Microsoft 365

ONLYOFFICE

🇱🇻 Latvia

Open Source

Looks like Microsoft Office. Works like Microsoft Office. Opens and saves MS formats perfectly. ONLYOFFICE comes from Latvia, and you can self-host it. Real-time collaboration, just like Google Docs. No subscription fees.

Collabora Online

🇬🇧 United Kingdom

Open Source

LibreOffice power in your browser. Collabora brings the world's most popular open-source office suite online. Integrates with Nextcloud, ownCloud, and more. Enterprise-ready with commercial support. Freedom from Office 365.