Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Avanset VCE Exam Simulator - VCE Exam Simulator is a test engine designed specifically for certification exam preparation.
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Adit Testdesk - Create, run, and grade all sorts of tests automatically!
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.
Respondus - Respondus is the name of one of the best assessment programs for managing learning management systems.