National Directory of DentistsThis is a public directory of dentists in the US. In addition to the public website, there is a dentists only subsite, and a complete administration system. Some of the notable features are: search auto-complete, radius search, smart forms, and integrated eCommerce.
Technologies UsedPHP, MySQL, Zend Framework, Doctrine, Smarty, jQuery, URL rewriting, Yahoo Maps, Payflow Pro
Website is in private beta testing (Dec 2008).