I am sad, I'd really like to help, I think is best way to contribute is to help with code, the success of github makes it quite evident.
I suppose you plan to make future ncrunch paid, it makes sense to keep it closed.
But in the meantime why dont you put a donate ncrunch the site is a fantastic plugin and I think they would donate for your efforts.
Taking advantage of the opportunity that you do not put it in the gallery of visual studio?
http://visualstudiogallery.msdn.microsoft.com/
