Pakyow's view-first development process is built for getting along

Pakyow sounds like it was named while watching Batman re-runs.

What is it? A Ruby web framework where views are created in isolation from the back-end app. Pakyow’s developers say it:

gives the designer complete control over the front-end through the entire development process.

They have a nice warmup page if you want to see how it all fits together.