Very small session daemon which automounts hotplugged drives and opens nautilus or Thunar on them.
Complete desktop environments like GNOME, KDE, or XFCE already bring their own. This is mostly useful on tiny embedded systems which do not want to run Thunar/nautilus and even gvfs by default.
All bugs Latest bugs reported
Bug #789665: Does not mount devices that are mountable only after a device_chaned event a few seconds later
Reported on 2011-05-28
Bug #660020: specifiy custom client on command line/specify custom client for unmount/disconnect event
Reported on 2010-10-13
Bug #643600: gui_clients in udisks-automounter.vala doesn't support several file managers
Reported on 2010-09-20