Spotify - Map shows when two people play same song at same time
SicMu Player - SicMu Player is an application that enables users to play audio files on their devices easily.
Playlist Machinery - Tools that help you create & organize your Spotify playlists
Colibri Lossless - A native audio player for macOS built from scratch using the award-winning BASS audio engine.
Magic Playlist - Get the playlist of your dreams based on a song
Muzie - An all in one music streaming service