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

Download it!

LibreOffice Conference

Join us at events!

Learn more

Fantastic People

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

Join us today!

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
Why and how the Austrian Military moved to LibreOffice (Part 2)

This is the second part of our interview with the Bundesheer (see here for the first). At the LibreOffice Conference 2025, you showcased the new LibreOffice features sponsored by the Austrian Armed Forces. How did that come about? From the very beginning, we clearly recognised the need to further develop

read more »

Why and how the Austrian Military moved to LibreOffice (Part 1)

Many government departments around the world are moving away from vendor lock-in by tech giants, and switching to free and open source software like LibreOffice. This helps with privacy, security, and digital sovereignty. One such example is the Austrian Military (Bundesheer), which has moved 16,000 PCs from Microsoft Office to

read more »

FBSimCity v0.9.0: the machine room — the real Firebird engine inside the explorable city

FBSimCity, the explorable isometric city of Firebird internals, is at v0.9.0 — and this one adds the thing the project has been circling since it started. The city has always carried the same caveat: it is a model, it parses no SQL, and no Firebird code runs in your browser. The new machine room is the other thing.The machine roomThe machine room runs the actual Firebird engine: version

read more »

Why and how the Austrian Military moved to LibreOffice (Part 2)

This is the second part of our interview with the Bundesheer (see here for the first). At the LibreOffice Conference 2025, you showcased the new LibreOffice features sponsored by the Austrian Armed Forces. How did that come about? From the very beginning, we clearly recognised the need to further develop

read more »