Compare software

unoserverLibreOffice
Free

Free and open source under the MIT license.

 Free

Free software under the Mozilla Public License v2.0, funded by donations and by companies…

Linux, Self-hosted, Command line Windows, macOS, Linux
  • Keeps LibreOffice loaded between conversion requests
  • Includes conversion, comparison, and server-check commands
  • One suite with six tools: Writer, Calc, Impress, Draw, Base and Math
  • Opens and saves Microsoft Office formats as well as OpenDocument
  • Requires LibreOffice and the same Python installation that LibreOffice uses.
  • Windows and macOS support are untested.
  • Complex Word and Excel documents can shift layout, particularly with heavy formatting or macros
  • The interface looks dated next to Microsoft 365 unless you switch to a tabbed layout
Downloadable app, Self-hosted Downloadable app
Open source Open source
License: MIT License: MPL-2.0
Not stated if an account is needed No account needed
Not stated if it works offline Works offline

Checked October 8, 2026

Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.