Collabora Online

Collabora Online is an open-source office suite that organisations can integrate into their own infrastructure. It includes Writer, Calc, Impress, and Draw for documents, spreadsheets, presentations, and graphics, and supports major Microsoft Office and Open Document formats. People can edit together in real time through a browser without a plugin. Deployment can be on-premises, in a local cloud, or hybrid, keeping documents within the organisation's chosen infrastructure. The maker says documents are handled in memory and cleaned up when sessions end, rather than stored persistently on its servers. Listed controls include process isolation for each document, HTTPS/TLS, WOPI proof signatures, access tokens, configurable logging, and Prometheus-compatible monitoring. Paid subscriptions include long-term support, service-level agreements, and signed security updates. The free Development Edition is for testing and home use and has no SLA or long-term support. Optional AI assistance in release 26.04 works in Writer, Calc, and Impress; it is off by default and can use a preferred provider or self-hosted model. The Development Edition is free; Business costs 3.40 USD per month per user.

Who it is for

It suits organisations seeking a collaborative office suite that can run within their own infrastructure, including enterprise and government customers. The free Development Edition is positioned for testing and home use.

What is good

  • Writer, Calc, Impress, and Draw included
  • Edits collaboratively in real time in a browser
  • On-premises, local-cloud, and hybrid deployment
  • Supports Microsoft Office and Open Document formats
  • Paid subscriptions include long-term support and SLAs

What to know first

  • Free Development Edition has no SLA
  • Free Development Edition has no long-term support
  • No desktop apps or offline editing

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Collabora Online: the full review

Collabora Online combines familiar office applications with deployment choices that keep documents within an organisation's infrastructure. The free edition is limited to testing and home use, while paid subscriptions add support commitments.

Collabora Online is a browser-based office suite for organisations that want to host collaborative editing in their own infrastructure. It suits teams with deployment or support requirements beyond a basic office suite; the key decision is whether its paid support and on-premises model fit your needs.

Overview

Writer, Calc, Impress and Draw cover documents, spreadsheets, presentations and graphics. Support for Microsoft Office and Open Document formats helps teams exchange files across office suites, while real-time editing runs in a browser without a plugin. Track changes is supported, but offline editing and desktop apps are not.

Key features

Deployment can be on-premises, in a local cloud or in a hybrid model, giving organisations control over where documents are handled. The maker says documents are processed in memory and automatically cleaned up when sessions end, rather than persistently stored on Collabora Online servers. Per-document process isolation, HTTPS/TLS, WOPI proof signatures, access tokens, configurable logging and Prometheus-compatible monitoring provide controls for organisations managing their own environment. Collabora Productivity has ISO 9001, ISO 14001 and ISO 27001 certifications.

The suite is designed to fit existing platforms and infrastructure, and Collabora lists more than 230 global partners on its integrations page. Optional AI assistance in release 26.04 works across Writer, Calc and Impress; it is off by default and can use a preferred provider or a self-hosted model. That choice may suit organisations assessing AI use, while teams that do not want AI enabled can leave it off.

Pricing

The Collabora Online Development Edition is 0.00 USD per free, on premise with rolling updates. It is intended for testing and home use, not supported business operations: it has no SLA or long-term support.

Collabora Online for Business costs 3.40 USD per month, billed per user per month, for on-premises deployments of up to 99 users. It adds long-term support, an SLA, signed security updates, lifetime maintenance, a customer portal and accessibility certification. This is the published paid option for smaller organisations that need support commitments rather than a testing edition.

Collabora Online for Enterprise has custom pricing with personalised volume discounts for 100 or more users. It includes the Business support and maintenance package, plus roadmap input, integration support, customisation, a desktop version and mobile. Its additional services make it the relevant tier for larger deployments, though the price will depend on the volume arrangement.

Platforms

Collabora Online supports Android, iOS, Linux, macOS, Windows, web and self-hosted deployment. The browser-based collaboration model is useful across those environments, but the product has no offline editing and no desktop apps.

Who it's for

Collabora Productivity describes its products and consulting as serving enterprise and government customers. The deployment options, infrastructure integrations and paid support commitments make it a stronger fit for organisations with those needs than for individuals seeking a supported free office suite. The Development Edition is the free route for testing and home use.

Pros and cons

  • Pros: On-premises, local-cloud and hybrid deployment let organisations keep documents within their chosen infrastructure.
  • Pros: Real-time browser editing, track changes and support for Microsoft Office and Open Document formats suit teams collaborating across common file types.
  • Pros: Business and Enterprise subscriptions include long-term support, an SLA and signed security updates.
  • Cons: The free Development Edition is not intended for business use and lacks an SLA and long-term support.
  • Cons: Offline editing and desktop apps are absent from the core product, limiting teams that need to work without a connection or use a desktop client.

Alternatives

ONLYOFFICE Docs is another freemium option with a free Docs Community plan for up to 20 recommended users and community support; consider it if that stated user scale and support model suit your deployment.

Zoho Workplace offers a free Mail plan for up to five users, one custom email domain and 5 GB of mail storage per user, making it worth considering when those mail allowances are the priority.

Hancom Office has a free plan with 2 GB of storage and web and mobile office apps, plus Windows and Mac viewer apps; choose it if those stated free-plan terms fit better.

WPS Office has a free plan and a paid Pro+ plan at 69.99 USD per year; consider it if its listed desktop, mobile and web platforms suit your workflow.

Apple iWork is free and includes Pages, Numbers, Keynote and real-time collaboration, a straightforward alternative for those applications.

Nextcloud Office is a free alternative with self-hosted deployment; consider it if that is your main requirement.

Google Workspace is a paid suite with a free trial and a Business Starter plan at 3.50 USD per month per user on an annual commitment; consider it if that plan's terms suit you.

MyOffice is a paid alternative with a monthly subscription at 8.00 GBP per month.

For broader comparisons, browse Office Suite Software, Document Collaboration Software, Word Processing Software or Collaborative Document Software.

Verdict

Choose Collabora Online if your organisation needs collaborative office editing under its own infrastructure and values paid support commitments. Its clearest strengths are deployment control and a supported path for business use; look elsewhere if you need offline editing, desktop apps or a free edition suitable for supported production work.

Collabora Online plans and pricing

All plans
Collabora Online Development Edition Free On premise · Rolling updates · For testing and home use collaboraonline.com · 3 Oct 2026
Collabora Online for Business $3.40/mo Per User Per Month On premise · Up to 99 users · Long Term Support · Service Level Agreement · Signed Security Updates · Lifetime Maintenance · Customer Portal · Accessibility Certified collaboraonline.com · 3 Oct 2026
Collabora Online for Enterprise Not published Personalised Volume Discounts On premise · 100+ users · Long Term Support · Service Level Agreement · Signed Security Updates · Lifetime Maintenance · Customer Portal · Accessibility Certified · Roadmap Input · Integration Support · Customisation · Desktop Version · Mobile Support collaboraonline.com · 3 Oct 2026

Compared on word processing software

Free plan
Yes

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