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.

Get Involved
Do something awesome! Join the Month of LibreOffice, November 2025

Love LibreOffice? Join the project and help to make it even better – get involved in the Month of LibreOffice, November 2025! Over the next four weeks, hundreds of people around the world will collaborate to improve the software – and you can help them. There are many ways to get involved, as you’ll see […]

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ODF format security: encryption, signatures and metadata management

Open Document Format (ODF) is an open standard for office documents – texts, spreadsheets, presentations and more – that is flexible and interoperable. As with any other digital format, its security is a key concern, as ODF files often contain sensitive information that, without adequate protection measures, can be exposed, tampered with or tracked. This […]

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2025-11-05 Wednesday

Sync with Dave, catch up with Tracie & Julie. Interview alongside Chris, catch up with an old friend, Lunch. Published the next strip around an project paying the complete maintenance bill: Sales team call, sync with Phlippe, discovered lots of older mail I'd somehow missed, processed it, more admin.

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2025-11-04 Tuesday

Planning call, sync with Laser, lunch. Mail, sync with Chris, mail with Andras, catch up with Naomi, worked through backlog of mail and admin.

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