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

SoundBetter - Marketplace for musicians and music production professionals

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.

PrimoMusic - An iTunes alternative made to manage iPhone/iPod media files

SongPop - The world's biggest music trivia game. Now even better.

Gemtracks - Buy instrumental backing tracks and beats for $149! Get master ownership and copyright transferred to you once purchased.