aTunes : A full-featured audio player and manager

aTunes is a full-featured audio player and manager. It currently plays MP3, Ogg, wma, wav, FLAC, MP4, and radio streams allowing users to easily edit tags, organize music, and rip audio CDs.
Licenses : GPL
Operating Systems : POSIX, Linux, Windows
Implementation : Java

Jajuk : A multi-platform music organizer

Jajuk is a multi-platform music organizer. The main goal is to provide a fully-featured application to advanced users with large or scattered music collections. It supports most audio formats.

• Licenses : GPL
• Operating Systems : OS Independent
• Implementation : Java

FX Player : A Web-based streaming server with an iTunes-like interface

FX Player is a Web-based streaming server with an iTunes-like interface. It shares your MP3 library and allow access to your tracks through the Internet. The server side is in Java, and is Java servlet specification compliant (you may install it on Tomcat, Jetty, etc.). It uses JPA for data access (openJpa), Spring transactions, JAX-RS and JAXB (Jersey) for client-server communications, and Apache Derby for data storage. The client side is build on Adobe Flex and ActionScript.

• Licenses: MIT/X
• Operating Systems: OS Independent
• Implementation: Java