What script do these directories use?

hi, i was wondering what script these directories used?

avivadirectory

alivedirectory

s7nseek

ewebdirectory

thanks in advance

 

http://www.phplinkdirectory.com/

 

As does this one SEO Friendly Directory <-----shameless plug

 

SevenSeek.com uses a different script

 

I believe sevenseek uses the old biz directory script, now available at:
http://www.freephpdirectoryscript.com/

 

Some of the sites using the full version of that script (including SevenSeek) are listed here

Seems the price has come down quite a bit - I think it was around $700.00 for the full version.