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 26.2

Markdown support • Connectors in Calc • Spreadsheet speedups

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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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LibreOffice, yours for a lifetime

On 13 October 2026, Microsoft ends support for Office 2021. No more security updates, no more fixes, no more assurances. The software will still launch. It will still open your files. But from that date it becomes a liability rather than an asset — and the only sanctioned path forward

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What is Digital Sovereignty

Digital sovereignty is not about owning everything, it is about ensuring that nothing essential can be taken away. That single line settles more arguments than it first appears to, because it disqualifies the two positions that dominate the debate. One side imagines sovereignty as control. The other imagines it as

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Please participate in a survey about LibreOffice Base

In the past we run several surveys to better understand the use cases for Calc, Impress, Draw, and Writer templates. And since TDF hired a developer for Base it’s time to investigate this module. We collected a couple of questions that address not only actual users of LibreOffice Base but

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FBSimCity v0.4.0: the backup yard — gbak pins the OIT, nbackup fills the delta

FBSimCity — the explorable isometric city of Firebird internals — is at v0.4.0, and this release adds a whole backup yard, built around what gbak and nbackup actually do. gbak: the backup that pins your OIT gbak takes a logical backup online: it attaches like any other client and reads every table through a snapshot transaction. That snapshot is the interesting part — it pins

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