Jajuk - Jajuk is software that organizes and plays music using Java.
Sayonara Player - Sayonara is a simple but nice audio player and holds a lot of features like a library, id3 tag...
VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
GNOME Music - Music is the new GNOME music playing application.
Roon (Music Player) - Roon is a music playing application for audiophiles
Audirvana Plus - Build for sound quality