DFX Audio Enhancer - Formerly known as DFX Audio Enhancer, FxSound Enhancer instantly boosts the sound quality of the music on your PC.
Knowthelist - Knowthelist - the awesome party music player Easy to use for all party guests
Equalizer Pie - Equalizer Pie is a free audio manipulation application for OS X.
Museeks - A simple, clean and cross-platform music player
FxSound - Clearer Sound for Your PC. The new FxSound boosts your sound quality, volume, clarity and bass.
Song Director - Song Director is a program that plays and keeps track of all your music files.