Xanakios, Pyramix is a higher profile application than Pro-Tools. It's used in Movie and Audio editing/mixing, mastering, especially in 5.1 and higher sound systems. It can import and export Cubase, Nudendo, Sony Vegas, Pro-Tools, Ableton and Adobe Premiere projects so it is possible. I've seen it on my own eyes and I don't believe that engineers of those applications helped them, it's not in their interests (especially PRO-TOOLS). Encrypting those projects isn't out of their licenses as far as i know. Just like MP3 encoders/converters aren't illigal.