I think you need to take a closer look at the Mac third party application Community. We have been using a GUI builder called interface builder since NextStep e

I think you need to take a closer look at the Mac third party application Community. We have been using a GUI builder called interface builder since NextStep existed, and it is far from failed for us. When it is done right it works well. I'm not sure how Atlas works, but on the mac code is not Generated in the way you are thinking. You should really check it out.