jukebox : Open-source alternatives for music management
Not mere freeware, but open-source alternatives are well-known for nearly every major category of software. Firefox and Linux are probably the most famous, but OpenOffice, GIMP, Thunderbird, Pidgin, Miro, and others have made themselves known in practically every genre. Heck, there's even an open-source firmware for your portable MP3 player--Rockbox. One area that's been notably lacking some open-source love has been music jukeboxes. Competing with iTunes takes serious chops, even for programs that haven't opened their code like Winamp and MediaMonkey. However, there are a growing number of iTunes competitors that are gloriously open. Two that are definitely worthy of more attention are aTunes and Songbird.
The AudioScrobbler pane is exceptionally useful. Unlike other jukeboxes that hide secondary information behind context-menu navigation, aTunes surfaces all of it--but keeps it behind tabs. This kind of one-click access makes it much easier to discover biographical details of the artist you're listening to, while the Album tab shows track listings, and the Song tab surfaces song lyrics automatically.
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