Collabora Online

LibreOffice-based online office suite

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Collabora Online is a powerful LibreOffice-based online office suite that supports all major document, spreadsheet and presentation file formats. Real-time collaboration, mobile editing, and integration with Nextcloud, ownCloud and more.

Frequently Asked Questions

Is Collabora Online free and open source?

Yes, Collabora Online is open source. It is released under the MPL-2.0 license.

What can I use instead of Office Online?

You can use Collabora Online as a free, open-source alternative to Office Online.

Can I self-host Collabora Online?

Yes, Collabora Online can be self-hosted on your own server or cloud infrastructure.

What is Collabora Online written in?

It is built using JavaScript, C++.

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Project Details

Status Active
GitHub Stars 3,366
Forks 1,013
Open Issues 871
Last Commit Oct 9, 2026
License
MPL-2.0
Platforms
Self-hosted

Alternative To

⇄ Office Online ⇄ Microsoft 365

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