Water Cooler Trivia - Weekly office trivia quizzes for you and your co-workers 🎯

MyGuitarTuner.com - Online microphone tuner for guitar, ukulele, violin and other instruments. Tune by ear or using the microphone of your device. It's fast and accurate algorithm makes it one of the best online microphone tuners available.

QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.

Fine Tuner - Fine Tuner is a minimalistic guitar tuner that utilizes your device's built-in microphone.

Tea Minus - The multi-device office drink round app

LINGOT - Musical instrument tuner, LINGOT is a musical instrument tuner.