There are products out there that work like this. Our product, Elevate Web Builder, is one of them: http://www.elevatesoft.com/products?category=ewb&type=web

There are products out there that work like this. Our product, Elevate Web Builder, is one of them: http://www.elevatesoft.com/products?category=ewb&type=web http://www.elevatesoft.com/products?category=ewb&type=web although I'm not sure how many more there are that aren't hosted directly in the browser, as opposed to a standalone IDE that runs on a desktop OS.