There are some out there sold as programs and books, too. You'll want to do some research.

Oh most definitely. This was just posed to me this afternoon. While I'm looking into it, I thought I'd put out some feelers to judge interest.

It's a great idea and you have great experience

And a reply on my post about this on Facebook is someone wanting to cowrite it with me. I admit it's intriguing, but I don't know if I'm at a point yet where I can consider a cowriter or independent project. Hmmmm....