Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Cast Your Vote - Cast Your Vote is an app that allows you to set polls and a voting system and know the answer to your question.
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
My Vote - My vote is an app that allows you to create ranking, ratings, polling contests, and view the results either after voting closes or in real-time.
doopoll - Create live, instant, editable polls effortlessly
Right2Vote - Right2Vote is an e-voting app that lets you create and manage polls or election campaigns.