YOUTUBE JCX2_RqnOH8 The Simplest Federated Database That Could Work
In one of Mike Caulfield YouTube videos he demonstrates a website frontend for a Federated Wiki (FW) and talks about the FW being used like a content database
Here's the link to the site: http://vancouver-commons.org/wiki_generic.html?s=blackboard51.hapgood.net&p=Site%20Index 
You should be able to view source and capture all the JavaScript to host your own website pointed at your own FW
YOUTUBE 4c39Jo98VKQ Short intro to Website frontend to FW
YOUTUBE Q0zAIfwA1ds More details on using FW as JSON db for Website frontend