Your private, free office suite

LibreOffice is a private, free and open source office suite – the successor project to OpenOffice.
It's compatible with Microsoft Office/365 files (.doc, .docx, .xls, .xlsx, .ppt, .pptx) and is backed by a non-profit organisation.

Out now: LibreOffice 25.8

Interface improvements • New spreadsheet functions • Faster file loading

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LibreOffice Conference 2025

September 4 – 6 in Budapest. Join us!

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Fantastic People

LibreOffice is about more than software. It’s about people, culture, creation, sharing and collaboration.

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LibreOffice is Free and Open Source Software. Development is open to new talent and new ideas, and our software is tested and used daily by a large and devoted user community.

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Announcing the LibreOffice US community!

LibreOffice is made by hundreds of people around the world. In many countries, we have active communities that organise events, do local marketing, and help users in their local language. But while we have many users and contributors in the United States of America, so far we haven’t built up an active local community. Of […]

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Month of LibreOffice, November 2025 – Half-way point!

We’re just over half-way through the Month of LibreOffice, November 2025. And already, 219 contributors have won cool LibreOffice sticker packs! Details on how to claim them will be provided at the end of the month, but if you don’t see your name (or username) on that page, it’s not too late to join… How […]

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<h1>a new &amp; beautiful Collabora Office</h1>

Just a short personal note to say how super excited I am to get our very first release of a new Collabora Office out that brings Collabora Online's lovely UX - created by the whole team to the desktop. You can read all about it in the press release. Please note - this is a first release - we expect all manner of unforseen problems, but still - it edits documents nicely.

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2025-11-26 Wednesday

Mail chew, something of a frenzy of activity. Wrote up some under-the-hood-ness for the new Collabora Office.

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