This entire page is powered off of simple, hand-writeable JSON. Or you can use the story maker tool. The goal is to make responsive magazine feature style mini-sites as easily as possible. I've tried to support as many mediums as possible so they can be melded together into something cohesive and enjoyable.
Check it out on GitHub. Let me know if there's anything missing, could be better, or any feedback at all at email@example.com