Life would be so nice if you could just take C# software and run it on Linux as well (not just on Windows). Luckily, there is Mono Project. And installing Mono is easy. You install few more libraries (Gtk & canberra-gtk-module), because you see errors. And then you still can't run Optirol.
And it can actually compile and runs from the C# code for Optirol:
It crashes after computations are done when it most likely tries to use OpenGL through SharpGL dll. But it runs...