openDesktop.org :
DX-cluster client for hamradio operators. A DX Cluster is a means for Amateur (Ham) Radio operators to tell each other, in realtime, about DX stations (other interesting or rare Amateur Radio stations all over the world). Users who are connected to a DX Cluster are capable of announcing DX spots and related announcements, send personal talk messages, send and receive mail messages, search and retrieve archived data, and access data from information databases.
