EU Office Suites — 3-Way Comparison
Three credible European office suite options — desktop-first non-profit (LibreOffice), best-Microsoft-Office-compatible cloud-collaborative (OnlyOffice), and self-hosted real-time collaboration on the LibreOffice engine (Collabora).
LibreOffice
Germany (Document Foundation) · The Document Foundation (non-profit)
Founded 2010
- Deployment
- ✅ Free desktop install (Windows, macOS, Linux)
- Online collab
- ⚠️ Via LibreOffice Online (deploy via Collabora) or Nextcloud integration
- MS Office compat
- ✅ Strong .docx, .xlsx, .pptx support; ODF native
- Pricing
- ✅ Free forever (donation-supported non-profit)
- Governance
- Independent non-profit; community + corporate contributors (Collabora, RedHat)
- Best setup
- Desktop-first with optional cloud collaboration
Standout: The world's leading open-source office suite. Used by German government, French government, Italian Ministry of Defence, dozens of EU public bodies.
Trade-off: Real-time multi-user editing requires server deployment (Collabora Online or LibreOffice Online)
Best for: Individuals, schools, public sector, anyone needing free offline-first productivity with strong format compatibility
OnlyOffice
Latvia · Ascensio System SIA
Founded 2009
- Deployment
- ✅ Self-hostable + DocSpace cloud + desktop apps
- Online collab
- ✅ Real-time collaborative editing built in (best-in-class for EU options)
- MS Office compat
- ✅ Strongest Microsoft Office format compatibility of any FOSS office suite
- Pricing
- Free desktop apps · Cloud DocSpace from $20/admin/mo · Self-hosted Enterprise from $1,500
- Governance
- Latvian commercial entity; AGPL/proprietary dual-license
- Best setup
- Cloud-collaborative or self-hosted office for teams
Standout: The strongest Microsoft Office format compatibility in any EU office suite. Native real-time collaboration. Self-hosting option.
Trade-off: Commercial governance (vs LibreOffice non-profit); paid enterprise tiers can get expensive
Best for: Teams that need real-time collaborative editing on Microsoft Office formats with EU data residency
Collabora Online
UK + Germany · Collabora Productivity Ltd
Founded 2014
- Deployment
- ✅ Self-hosted only (with managed hosting partners) + integrations
- Online collab
- ✅ Real-time collaboration based on LibreOffice engine
- MS Office compat
- ✅ Same as LibreOffice (very strong .docx/.xlsx/.pptx)
- Pricing
- Open-source community edition · Enterprise from £/€10/user/year for support
- Governance
- Major LibreOffice contributor; commercial open-source company
- Best setup
- Self-hosted as part of Nextcloud Hub or other open-source productivity stacks
Standout: Best choice for organizations that want LibreOffice with real-time collaboration. Powers most Nextcloud document editing.
Trade-off: No standalone cloud product — needs Nextcloud or similar host. Self-hosting expertise required.
Best for: Open-source-purist organizations running Nextcloud Hub or similar self-hosted stacks
Quick Comparison
| 🇩🇪 LibreOffice | 🇱🇻 OnlyOffice | 🇬🇧 Collabora Online | |
|---|---|---|---|
| Country / governance | Germany (non-profit) | Latvia (commercial) | UK/DE (commercial OSS) |
| Free for personal use | ✅ Forever | ✅ Desktop apps | ✅ Community edition |
| Open source | ✅ MPL 2.0 | ✅ AGPL / dual-license | ✅ MPL 2.0 |
| Desktop apps | ✅ Win/Mac/Linux | ✅ Win/Mac/Linux | ⚠️ Via LibreOffice |
| Real-time collaboration | ⚠️ Via Collabora Online | ✅ Built-in | ✅ Built-in |
| Microsoft .docx fidelity | ✅ Strong | ✅ Strongest | ✅ Strong |
| Microsoft .xlsx complex formulas | ⚠️ Most work | ✅ Best compatibility | ⚠️ Most work |
| Self-hosting | ⚠️ Desktop only by default | ✅ Full self-hosting available | ✅ Self-hosting required |
| Cloud SaaS option | ❌ No | ✅ DocSpace | ❌ Self-host only |
| Nextcloud integration | ⚠️ Limited | ✅ Available | ✅ Native (recommended) |
| EU public sector adoption | ✅ Massive | ✅ Growing | ✅ Strong (via Nextcloud) |
| Best rating | ★ 4.6/5 | ★ 4.5/5 | ★ 4.3/5 |
How to Pick
Choose LibreOffice if…
- You want a free, offline-first office suite for personal use, education, or public sector
- Non-profit governance matters to you (no acquisition risk, no enterprise upsell pressure)
- Your work doesn't require real-time multi-user editing
- You want the most-trusted EU FOSS office heritage (used by German, French, Italian governments)
Choose OnlyOffice if…
- Microsoft Office format compatibility is the hardest requirement
- You need real-time collaborative editing with EU data residency
- You'd benefit from DocSpace as a managed cloud option
- You have complex Excel files with macros and pivot tables
- You want the best Google Docs alternative for European teams
Choose Collabora Online if…
- You're already running Nextcloud Hub or planning to
- You want full open-source collaboration without commercial dependencies
- Self-hosting expertise is available (or you'll buy enterprise support)
- You want LibreOffice's heritage with modern collaborative editing
- You're an open-source purist who needs commercial support occasionally
Still not sure?
Take our 2-minute decision wizard. We'll match you to the right office suite based on team size, collaboration needs, and your existing infrastructure.