LibreOffice

LibreOffice is a free and open source office suite, developed by The Document Foundation. It is descended from OpenOffice.org, from which it was forked in 2010. – Wikipedia

Command line

  • Create pdf from all the odt of the current dir:

    lowriter --headles --convert-to pdf *.odt
    

Advanced command line tools

unoconv is a command line tool to convert LibreOffice documents