VLC Media Player - VLC is a free and open source cross-platform multimedia player and framework.
Live365 - 5,000+ online radio stations run by real people, not generated by computers.
foobar2000 - An advanced freeware audio player for the Windows platform.
SHOUTcast Radio - SHOUTcast Radio is the home of free Internet Radio.
Winamp - Winamp is a media player that allows users to play multiple-file formats, arrange media in a varied file-management system, and play unique media with AAC encoding.
Wohooo.net - Create Your Own Online Radio Station