What system does this site use?

[overkiller]

Hey all.
Can i just ask what download mod or modifcation does this website used? as in the Modifcations downloads

Its also used in hxxp:repository.rigsofrods.com/ [nonactive] ?
I really hope its not custom:(

[rsw686]

See this thread http://www.simplemachines.org/community/index.php?topic=219646.0

[overkiller]

Oh poo I rele wanted this system too bahhh
thanks dude