Another candidate would be MS. Apple dumped their legacy OS when it moved to OS X. MS Has already showed interest in linux compatibility with bash for windows,

Another candidate would be MS. Apple dumped their legacy OS when it moved to OS X. MS Has already showed interest in linux compatibility with bash for windows, but I wish it would go the other way, linux with their own GUI and a super duper version of WINE (or their own implementation) to support backwards compatibility. I wouldn't even really mind if the gui and the windows compatibility layer would be proprietary, I would probably still end up using it.