Topgrade Quiz Maker - Build, Play and Share Fantastic Quizzes for Free.
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
iSpring QuizMaker - iSpring Quiz Maker is easy-to-use quiz software. Create interactive quizzes and surveys in HTML5 & Flash and embed them in a website or publish for any LMS!
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
Disamina - Online assessment software and LMS
Trivia Crack Kingdoms - The amazing quiz game that lets you test your knowledge and challenge your friends to see who is the smartest. Developed by Etermax