Last one from me for today - honest
Completely free - the guy doesn't actively seek any payment or donation. A saint.
Ham Radio Deluxe is an integrated suite of programs that will cover a lot of a radio ham's hobby needs for software.
It allows real time tracking of satellites and even corrects the tx and rx frequencies on rigs that allow external control so that Doppler effect is negated.
This is another one that is being constantly developed, and the author responds pro-actively to any request for additional features or improvements.
ST