The Document Liberation project announces five new or improved libraries

By ris The Document Liberation Project has announced five new or improved
libraries to export EPUB3 and import AbiWord, MS Publisher, PageMaker and
QuarkXPress files. “The libraries have been originally
developed for the LibreOffice 6.0 major release, but can be used by any
other software thanks to the OSI (Open Source Initiative) compliant

From: LWN