Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
Song Director - Song Director is a program that plays and keeps track of all your music files.
MixTape - Home of MixTape, an OSX application for creating beat matched mixes with simple export to the web or iTunes.
Aqualung - Music Player for GNU/Linux
Museeks - A simple, clean and cross-platform music player
Kitten Player - Simple music player and organiser with feature to download music from youtube.