Plug - Lightweight OSX player for Hype Machine
HotMusic - HotMusic is the best music service to discover songs from your favourite genres RIGHT AFTER their...
Poolsuite™ - The super-summer music player
Spotify - Map shows when two people play same song at same time
Jams On Toast - Delightful iOS music player, handcrafted for album lovers
Playlist Hunt - Playlist Hunt is one of the best applications for Apple users to get the best music through it.