Imakiku - Imakiku is an audience response system for real-time voting, posting comments, and surveying.
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Pingo - Optimize images for the web quickly 🖼️⚡
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.
schnaq - Create an engaged and interactive audience with the schnaq Q&A, polls and more.
doopoll - Create live, instant, editable polls effortlessly