ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
A Google a Day - Online trivia game where you use Google's search to answer questions as fast as you can.
LightShot - The fastest way to take a customizable screenshot.
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