LibreOffice is a comprehensive, professional-quality productivity suite that you can download and install for free. There is a large base of satisfied LibreOffice users worldwide, and it is available in more than 30 languages and for all major operating systems, including Microsoft Windows, Mac OS X and Linux (Debian, Ubuntu, Fedora, Mandriva, Suse, …).

You can download, install and distribute LibreOffice freely, with no fear of copyright infringement.