QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
Social Status - Automate your social media reporting
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
Simply Measured - Simply Measured helps data hungry marketing & PR folks measure social media and create beautiful, custom reports in Excel and other formats.