http://www.audiocoding.com/index.html http://www.audiocoding.com/index.html FAAD2 is an open source MPEG-4 and MPEG-2 AAC decoder, it is licensed under the GPL

http://www.audiocoding.com/index.html http://www.audiocoding.com/index.html FAAD2 is an open source MPEG-4 and MPEG-2 AAC decoder, it is licensed under the GPLv2 license. It's been much longer than a few months since iTunes sold DRM music.