SHOUTcast Radio offers thousand of free Internet radio stations from DJs and broadcasters around the world. TuneWiki is an official SHOUTcast partner; SHOUTcast server is a server for streaming media developed by Nullsoft. It allows digital audio content, primarily in MP3 or HE-AAC format, to be broadcast to and from media player software, enabling hobbyists and professionals to create Internet radio networks.

SHOUTcast is cross-platform, and freeware. You can check their TOS here.

TuneWiki integration includes the ability to stream any of the Shoutcast stations into your TuneWiki empowered phones like the Android and iPhone, and adds our lyrics services, translation, album art and an opportunity to purchase songs you hear on the radio.