 CentOS, Fedora, CrossDesktop, Drupal, GNOME, KDE, Mozilla, OpenSUSE and X.org had the biggest rooms this year.
<meaning-changed>  CentOS, Fedora, CrossDesktop, Drupal, GNOME, KDE, Mozilla, OpenSUSE and X.org had the biggest rooms this year.
 , , , , , , , and had the biggest rooms this year.