Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Carrd - Simple, responsive one-page site creator.
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Avochato - Text messaging for your business.
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.