nukeevangelist writes:  

phpESP-clones :: surveytools for phpnuke :: from time to time we announce the latest news about the survey-module development;

phpStandalone: the phpESP v 1.8 final "PHP scripts to let non-technical users create surveys, administer surveys, gather results, view statistics. All managed online after database initialization."
based on Butterfat.net: phpESP v 1.8 final :: phpESP v 1.8 [fully blown demo]

The creator of the PHP-Nuke version: version of Eric [nettrade.nl]. just contact Eric via mail or go to his website.