The Exquisite `df' (xdf) is a souped-up version of df(1) rewritten from scratch and focused on flexibility of field selection and output format. It offers HTML and CSV outputs, besides the traditional text-based console output. It is fit for system administrators who are tired of post-processing df(1) output through shell or Perl scripts in order to avoid broken lines or to get a simple total/summary line.
Xdx is a client to connect to a DX-cluster for amateur radio. DX messages will be displayed in a list, and announcements will go to a text display. In addition to 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).