UpNote - A beautiful and clean cross-platform app for notes organizer

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

Notesnook - Notesnook is a simple and private note taking app that keeps your notes organized and synced on your phone, tablet and computer.

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

Note Board - Productivity app. Save information like a sticky notes.

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