Xdx is a client to connect to a DX-cluster. Dx messages will be
displayed in a list, announcements will go to a text widget.

As well as the usual functions, if you have hamlib installed
it can control the radio and set the frequency simply by double
clicking a DX-spot (using rigctl).

WWW: http://pg4i.chronos.org.uk/linux/xdx.html