Check out the work John Lam is doing on a Ruby-CLR bridge. It's not
released yet but its very promising:

http://www.iunknown.com/

thibaut.barrere / gmail.com wrote:
> Hi!
>
> I'm currently investigating how to create nice non-web UI on top of
> Ruby applications, in a productive way.
>
> As I'm very comfortable with it I thought about using .Net. Did anyone
> actually developed a .Net UI (as a client for an underlying Ruby
> application, whatever the communication channel is) ?
>
> Or is it hard to develop really nice UI using any of the various ruby
> widget toolkits around ?
> 
> 
> I'd be interested in any type feedback.
> 
> cheers
> 
> Thibaut