Enna is a Media Center application. Featuring a simple user interface, Enna is based on the powerful Enlightenment Foundations Libraries (EFL) as for its graphical user interface and GeeXboX libraries as for multimedia playback and information retrieval.
ruby-discid provides Ruby bindings for the MusicBrainz DiscID library libdiscid. It allows calculating DiscIDs (MusicBrainz and freedb) for Audio CDs. Additionally the library can extract the MCN/UPC/EAN and the ISRCs from disc.
cdstatus is a CD Drive and CDROM analyzer and ripper. It can display lots of disc info. It can rip music cd's to your hard drive as mp3, mp2, ogg, or wav all without intermediate files, right from the command line, with full CDDB and ID3 tag support
mp3splt is a free utility to split mp3 and ogg files without decoding, selecting begin/end time; if file is an album, you can get splitpoints automatically from internet or a local cue, cddb file. It also splits Mp3Wrap and AlbumWrap archives.