Robert Synnott's TwitterBuzz, which shows the most popular URLs in twitter messages, is written in Common Lisp and powered by Hunchentoot.
(I found a hint that the site might be written in Lisp, and when I went to look at it I knew for sure. “Despite her creative brilliance, the average lisp hacker has yet to discover CSS.”)
Posted by jjwiseman at March 20, 2007 10:43 AM