Social Bookmarking Script Question

Hi Guys, here is a small one


anyone has a clew what is the script that being used by this site:
http://tapemoi.com

i saw some sites that uses the same one, although, i can't figure out "Powered By", "Created By" - very wierd (i am trying to harvest those sites by that term)



Many Thanks

I though maybe its PHPDug Or Pligg

but i am not so sure