Survey Monkey - Create and publish online surveys in minutes, and view results graphically and in real time. SurveyMonkey provides free online questionnaire and survey software.
KeySurvey - KeySurvey provides survey and questionnaire tools.
piHappiness - A complete customer feedback app offering real-time feedback via emoticons. Our Custom feedback software captures core human insights in mere 30 seconds.
Typeform - Create beautiful, next-generation online forms with Typeform, the form & survey builder that makes asking questions easy & human on any device. Try it FREE!
FeedbackServer - asp.net survey software Web based and open source software, for purchase or hosted, written in ASP.NET for Nsurvey
SurveySparrow - Turning surveys into conversations