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European & open-source Office suite

4 European and open-source office suite tools — alternatives to the usual US software, built and hosted in Europe.

Updated 8 Sep 2026 · refreshed weekly

An open-source online office suite that allows users to view and edit documents in their browser, integrating into existing…

Free, open-source office suite with word processing, spreadsheets and presentations, maintained by the German-based Document…

A cloud-based, open-source productivity suite that offers tools for documents, spreadsheets, presentations, email, calendars, and…

An online office suite that allows users to view, edit, and collaborate on documents, spreadsheets, and presentations, and also…