There is a forked version of Gpredict that claims to have solved the IC 910/9100/9700 doppler correction issue. I believe the fork is located here:
I have not tried this fork, as I don't own any of the above transceivers, so I cannot comment on it's effectiveness. Some discussion of the issue can be found in the Libre Space forums here:
Good luck, and please let us know how you proceed. Part of my hesitation to buy a 9700 is this issue, as I only have Linux computers at home (besides an old ipad and my wifes Surface Pro).