Wiselike - Create your own professional AMA page
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Superfy - Awesome answers from awesome people
Water Cooler Trivia - Weekly office trivia quizzes for you and your co-workers 🎯
Ask Me Anything - The official Reddit AMA app
Tea Minus - The multi-device office drink round app