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).
Happydigger is a program which can be used for cataloging archaeological finds. It is intended both for semi-professional use and by amateurs (e.g. metal detector users) who want to keep track of their finds. Data is stored in a database with extensive find and findspot details. If images are available, they will be displayed together with the find information.
Re: Compiling errors
Check out 0.4.1, it should compile okay :-)