Trivia for Google Chat - Team-building w/ fun quizzes, games right inside Google Chat
Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.
Flinkit! - Web-hosted team building games for small and large companies
QuizClash - In QuizClash, you can challenge your friends or random opponents to a game of trivia.
Sorry App - Turn outages into opportunities
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.