The only one I have found anywhere is for MecSoft.
I have tried SprutCAM with the one for Mach3 and Fanuc(30i) with no success. I sent a request to SprutCAM. If I hear anything from them I will be sure to reply back here. If anyone has a solution in the mean time I would love to hear it. Also would a post processor for LinuxCNC and KMotionCNC have any differences? I'm surprised I have not found one for LinuxCNC anywhere.
Thanks,
Adam