Besides the exhibition also congresses were held in which renowned experts spoke on a subject group. There was, for example, a Debian conference and on Sunday there was a lecture on TCPA, followed by discussion. The Business and Administration Congress has enlarged with 400 participants by about 60%. The free lecture program was opened on Friday by the Parliamentary State Secretary, Federal Ministry of Economics and Labour (BMWA), Rezzo Schlauch. Keanote speaker were Jon "Maddog" Hall of Linux International, Georg Greve of Free Software Foundation Europe and Matthias Kalle Dalheimer of Klarälvdalens Datakonsult AB.