Twitter Polls - Polls embedded in tweets
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Polls for WhatsApp - Create & share quick polls in your WhatsApp groups
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
GitHub Polls - Polls for GitHub issues and readme
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.