ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
QuizClash - In QuizClash, you can challenge your friends or random opponents to a game of trivia.
LightShot - The fastest way to take a customizable screenshot.
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.