Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
Poolsuite™ - The super-summer music player
ServeStream - ServeStream is an open-source application that is intended for HTTP media player streaming, and the media server browser comes with the alluring support for custom online radio and Shoutcast streams.
Tiny Mix - NPR Tiny Desk — mixed up, one song at a time.
MixTape - Home of MixTape, an OSX application for creating beat matched mixes with simple export to the web or iTunes.
Magic Playlist - Get the playlist of your dreams based on a song