chumpsoft :: phpQuestionnaire
A comprehensive web-based survey builder with one-click install on any server with PHP and MySQL. Run unlimited multi-page surveys with unlimited questions and answers. You have complete control over the layout using CSS and templates. Avoid duplicates using IP Addresses, Cookies or even Verified Email Addresses. View survey results online or download them in CSV or XML format for use in your favorite programs. Multi-language support allows you to run separate surveys in different languages. Support page branching and skipping based on prior responses and cross-tabulation of results. You can also pre-fill hidden questions.