Yep, check out camlistore (http://camlistore.org/ http://camlistore.org/). It can be quickly described as a big database at which you throw all your content, al

Yep, check out camlistore (http://camlistore.org/ http://camlistore.org/). It can be quickly described as a big database at which you throw all your content, along with a JSON containing any attributes you want. These attributes are indexed and then searchable.