Earlier quoted context omitted.
How is this similar to node.js? This looks just like a MVC framework that happens to be in Obj-C.
I'm thinking about the fact that neither JavaScript on V8, nor Cocoa are equipped with HTTP networking. So the framework supplies that part. A big part of node, when used for a web app, is that it supplies an HTTP server. Same with this.
(Edit) Here's an article that describes the basics: http://macdevcenter.com/pub/a/mac/2006/11/14/how-to-write-a-...