Tremendous - Tremendous is a customer and employee loyalty platform that allows companies to reward their customers for surveys promotions and referrals.

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

Giftbit - Buy, send and track digital gift cards for your reward and incentive programs.

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

Rybbon - Send digital e-gift cards as marketing incentives or rewards with Rybbon, which integrates with Marketo, HubSpot, SurveyMonkey, and Qualtrics.

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.