CQRLOG is an advanced ham radio logger based on MySQL database. It provides
radio control based on hamlib libraries, DX cluster connection, band map,
QRZ.com/HamQTH.com callbook (XML access), IOTA support, a grayliner,
propagation indicator, xplanet support (maps in azimuthal projection centered
in your QTH), OK1RR free QSL manager database etc.

WWW: https://www.cqrlog.com/