I don't want to use Windows in a VM as well. I use an old MacBook today, but soon it won't work anymore and I don't think that it is worth to buy another one. After 6 years using a Mac and some months testing Ubuntu, I don't fell like returning to Windows for now.
Even if Wine would work, it is well known that is not everything that runs smoothly.
I don't understand anything about programming, and have no idea about how much work would it be, but I suppose that wouldn't be that difficult to make a native Rig Manager for Linux...