Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.

Teachable - Create and sell beautiful online courses with the platform used by the best online entrepreneurs to sell $100m+ to over 4 million students worldwide.

QuizClash - In QuizClash, you can challenge your friends or random opponents to a game of trivia.

Clever - syncing between education applications for K-12 schools

QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.

Claroline - Claroline is a collaborative eLearning and eWorking platform.