There are a few wiki's that are like this one. They are purley for socializing, RPing or categorizing OCs. Here are some wikis that are connected with this one:

Pleasant Valley Wikia

A catalogue of a user Julia's OCs.

Millard High Wiki

A now defunct wiki for the Millard High Role play. A group RP lasting over five years. It was recently abandoned, but still holds useful information about certain characters.