Three Cents - Quickly create polls and gather opinions from anyone
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Anonypoll - Anonymous polls platform to seek and share honest opinions
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
RankedVote.co - Embed ranked-choice polls and contests on your site.
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.