Songlio - Free musical guessing game: race friends to name that tune
Rock On! - A song pop adventure - music trivia awesomeness
SongPop - The world's biggest music trivia game. Now even better.
SongTrivia2.io - Songtrivia2.io is a browser and mobile blind test game that allows you to play in real time with your friends or against strangers. Several musical themes, difficulty and game modes are available to create lots of different musical quizzes.
Stugo - StuGo™ is a one-stop-shop for all your studio needs.
Fretello Stage - Jam, record and share your music in the blink of an eye