tech from europe
Office & Productivity

Collabora Online

🇬🇧 GB · Free plan · paid from €3/user/mo

4.7/5· 102 reviews

Open-source, browser-based office suite with EU hosting and Nextcloud integration

EU hostedGDPROpen sourceFree planISO 27001ISO 9001
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Files stay on EU servers while teams edit documents, spreadsheets or slides directly in the browser. Collabora Online runs in isolated containers, connects to Nextcloud or ownCloud, and carries ISO 27001 and ISO 9001 certifications. Public-sector organisations and enterprises use it for GDPR-compliant collaboration. A free development edition is available for self-hosting.

Replaces

Collabora Online is sought as a European alternative to:

Apache OpenOfficeEvernoteMicrosoft OneNoteMicrosoft WordMozilla Thunderbird

Features

Document Editing

  • Writer for text documents
  • Calc for spreadsheets
  • Impress for presentations
  • Draw for vector graphics and diagrams

Collaboration & Deployment

  • On-premise deployment
  • Real-time collaborative editing
  • Accessibility certification (WCAG, ATAG)
  • Long-term support with signed security updates
  • Service level agreements (SLA)
  • Lifetime maintenance

Enterprise Features

  • Roadmap input for customers
  • Integration support and consultancy
  • Customization options
  • Desktop version included
  • Mobile device support

Pricing

Development Edition
Free per user / month
  • For home use, testing and startups
  • On-premise deployment
  • Rolling updates (no long-term support)
Business Plan
€3 per user / month (up to 99 users)
  • Long-term support with signed security updates
  • Service level agreement (SLA)
  • Lifetime maintenance
  • Accessibility certification
Enterprise Plan
On request per user / month (100+ users)
  • All Business features included
  • Roadmap input and integration support
  • Customization options
  • Desktop and mobile support

Prices vary by region (€3, £2.60, or $3.40 per user/month for the Business plan). Volume discounts available for Enterprise plans.

EU Trust Profile

3 of 9 criteria verified with evidence, last checked 2026-08-03. Every ✓ links to its source.

  • Data Processing Agreement (DPA)not verified

    No publicly offered Data Processing Agreement (DPA) is confirmed on the vendor's pages.

  • Trust center / security page

    The security page serves as the dedicated trust and compliance center.

    Evidence →
  • EU data residencyUK, Canada

    Servers are located in the UK and Canada, not within the EU/EEA.

  • Public sub-processor listnot verified

    No public sub-processor list is available on the vendor's pages.

  • ISO 27001

    Collabora Productivity is certified to ISO 27001:2022.

    Evidence →
  • SOC 2not verified
  • BSI C5not verified
  • TISAXnot verified
  • German-language support

    The website and FAQ are available in German.

    Evidence →

Verified means: the claim was publicly documented at the linked source on the check date. The vendor's own information prevails.

Reviews

Ratings across portals

Linked facts, we bring ratings from every portal together in one place.

CapterraCapterra
4.7/5
102
reviews

Integrations

NextcloudownCloudMoodleDrupalWordPressMattermostAlfrescoNuxeoOpenDeskSharePointUniventionAdfinis

Feature, pricing and integration details are based on web research (as of 2026-08-02), without guarantee, errors are possible. The vendor's website prevails.