What forum/portal software package is DIYplanner.com?

I've been thinking about changing my personal domain into a community site, and I like the way this one works and looks. But, I can't seem to find a link to the package site.

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Drupal

We're running Drupal, with just a little bit of custom code here and there. Pretty much stock, actually. It helps to have someone like Doug to design such an attractive theme and navigation.

Great, thank you! I've shot

Great, thank you!

I've shot off an e-mail to my host to see if PHP is supported on the server on which my current (read: boneyard) site is hosted.