Qriket - Earn spins by watching ads and use your spins to earn cold hard cash!
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
KO Trivia - A Live Trivia app that awards prizes to the last player standing.
Eduflow - Digital learning that actually teaches students something
Lucky Day - Play casino games and cash out with Paypal!
Backchannel Chat - Backchannel Chat is best in class discussion tool that is intended for teachers to streamline their class activities.