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Collabora OfficeMicrosoft 365
Freemium

Open source under MPL-2.0; hosted access and support come through Collabora and its…

 Freemium

Free web versions are available. Desktop apps require a paid subscription.

Linux, Web, Self-hosted Windows, macOS, Android, iOS, Web
  • Works with Microsoft Office and ODF formats
  • Desktop app plus a self-hostable online editor
  • The reference implementation of the formats everyone else has to match
  • Desktop, web and mobile apps with real-time co-authoring
  • Online version needs a server or a hosting partner
  • Website focuses on the online product more than the desktop suite
  • Subscription pricing, with the desktop apps behind it
  • Closed source, and heavily tied to a Microsoft account
Downloadable app, Self-hosted, Hosted service Downloadable app, Hosted service
Open source Closed source
License: MPL-2.0 License not stated
Not stated if an account is needed Account needed
Not stated if it works offline Not stated if it works offline

Checked October 1, 2026

Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.