RickrollDB is a social voting web app written in Ruby using the Merb 0.5 framework.
Users are invited to submit and vote on URLs which are then transformed into an filter list compatible with AdBlockPlus
Built specifically to power http://rickrolldb.com, which documents and blacklists “Never Gonna Give You Up” videos, but it would be quite simple to adapt to any sort of social voting use.
These details are provided for information only. No information here is legal advice and should not be used as such.