Linktree - Connect your audience to all of your content with just one link.
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
Linkfire - Linkfire is a smart links tool for music marketing.
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
Amplify.link - Powering artists and creators worldwide, providing the tools and knowledge to help artists and creators market themselves more effectively, reach more fans, and monetize their audiences.
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.