phpESP is a tool for educators, researchers, but not only for them - No phpESP is a tool for all people who need some sort of feedback from customers, users, visitors and allows them to create and manage online surveys. It is entirely written in the programming language PHP and published as Open Source under the GNU License.
AND YES it is portet to PHP-Nuke - the leading CMS of the world The phpESP-as a phpnuke-module - good news: the phpESP Survey script (demo)