Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.

poll.ly - your perfect partner to gather ideas and opinions in real time

Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.

StrawPoll - StrawPoll Meetings offers a simple interface to create polls that can be used to schedule meetings. With two simple steps, your next meeting is scheduled in seconds.

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.

PollUnit - Create and customize public or anonymous votings, surveys, free tables, idea collections or audio, video and photo contests.