RecordGram - A studio and production marketplace in the palm of your hand

Songlio - Free musical guessing game: race friends to name that tune

Melosity - Melosity offers an online music studio that enables musicians to collaborate on a single or multiple tracks from anywhere in the world.

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.

Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app

Rock On! - A song pop adventure - music trivia awesomeness