QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
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
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.