fanbase program/street team

[ctw 2.0]

alright im look for a program that i can have people register to join a street team/fanbase. i dont just want to have a contactforum but something that has admin controls
something like PHPfanbase. although that has been taken down because of security reasons.
what is what i want something like
http://www.weerez.com/fans

if you have any links for something to say that may help me please tell. thanks