XCSoar has all that, and more.
You can preset a safety MC setting for final glide, you get a glide range footprint, all the bells and whistles.
The support is really good in that the open source base is available for anyone to change. If a user comes up with a worthwhile suggestion for another option, it is added to the program!
A dedicated nabble group assists in anyones problems, not just the programmers. Its free, what more do you need?

did I mention free?
FREE


bagger