Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
ThinkCool - Make better decisions
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
onezone - An app to find & share a cool place to eat & drink
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.
Choosing Helper - Make decisions easier: upload, compare, and choose.