An audio streaming server with many features including:

- Web Interface--control the player and manage MP3 Internet radio 
- Alarm clock 
- Automatically imports iTunes library and playlists 
- Automatically imports ID3 tags 
- Browse and search by title, artist, album or genre 
- Shuffle and repeat albums or songs 
- Create, save, and import .pls, .cue and .m3u playlist files 
- Displays current date and time when not playing 
- Open protocol and command line APIeasy to control from other applications 
- Expandable through 3rd party plug-ins and skins 
- Supports multiple synchronized players 
- Cross platform Open Source software, written in Perl (GPL) 
- Listen from any computer using an MP3 software player (Winamp or iTunes)

WWW: http://www.slimdevices.com/pi_features.html