gdm - GNOME Display Manager
GDM (the GNOME Display Manager) provides an alternate display manager for the X Window System. The X Window System by default uses the XDM display manager. However, resolving XDM configuration issues typically involves editing a configuration file. GDM allows users to customize or troubleshoot settings without having to resort to a command line. Users can pick their session type on a per-login basis. GDM also features easy customisation with themes.
Download gdm-2.20.11-i486-4gsb.txz for Slackware 13.37
from the GNOME SlackBuild 3.2 GSB repository.
# upgradepkg --install-new gdm-2.20.11-i486-4gsb.txz