I don't know much about both, but xplane is developed by private developer, he even made video how he fought against patent trolls: https://youtu.be/sG9UMMq2dz4

I don't know much about both, but xplane is developed by private developer, he even made video how he fought against patent trolls: https://youtu.be/sG9UMMq2dz4 https://youtu.be/sG9UMMq2dz4