WebSurveyor 

WebSurveyor offers the tools you need to create, publish, announce and collect results from your surveys. The powerful desktop software give you complete control of survey interactivity. Free download & 10-day free trial; 3-month hosting is $449.
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Opinio 

Opinio is a free and complete survey solution for any platform featuring flexible survey design, advanced reporting, plugin architecture, multilanguage support, high scalability and much more. Ease of use and simple installation makes it suitable to any user.
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