Gomix - The easiest way to build the app or bot of your dreams
Quizzes for Pages - Quizzes for Pages is an application to create and share quizzes on your Facebook Page.
React Native Desktop - Build OS X desktop apps using React Native
Outgrow - Enabling marketers boost conversion with interactive, beautiful & viral quizzes/calculators.
React for Designers - Course for building a React site using components
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.