Poll Everywhere - Audience response system that uses mobile phones, twitter, and the web. Responses are displayed in real-time on gorgeous charts in PowerPoint, Keynote, or web browser.
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.
Live Vote - Live Vote is a sentiment & analytics platform that allows consumers to “Live Vote” about topics...
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!
Rewala - Decision-making application
LimeSurvey - LimeSurvey: the Online-Umfrage Tool - Open-Source Suryeys