LibreOffice is an open source productivity suite that provides all the necessary office components for small-business, educational and non-profit organizations. It is a fork of the well-known OpenOffice.org application. This is the fifth release of LibreOffice suit from the 4.2 branch of LibreOffice which contains new features and program enhancements. It is the fourth bugfix release, and is suitable for all users. Release note: The ReferenceOOoMajorMinor version (used for Version checks when installing Extensions) has been updated to 4.