What mods these sites use?

[soundblast45]

For paid marketplace what mod this site uses - http://marketplace.sitepoint.com/frontpage
What mod for displaying sub-forums on main page on this forum - http://forums.digitalpoint.com/
What mod for displaying ad revenue sharing using adsense on this forum - http://forums.digitalpoint.com/ and is there a similar mod for bidvertiser?
What mod for displaying ads on sidebar on this forum - http://www.webhostingtalk.com/

[Lynne]

What mod for displaying sub-forums on main page on this forum - http://forums.digitalpoint.com/

Default vbulletin. vboptions > forum listings display options > depth of sub-forums