Can anyone tell what blogging software CONCRETE LOOP runs on? Is there someway to tell? I love how they got it set up!

Thanks, Sir.

Hello,

That website uses the software http://wordpress.org/ I can tell this from viewing their HTML also it says in their about us page:
http://concreteloop.com/about

Although the design of the WPBlog was created by Matt Brett:
http://mattbrett.com/design/