1.
http://www.google.co.in/search?hl=en&ie=UTF-8&oe=UTF-8&q=streaming+server+l
inux
2. Helix Streaming Server =>http://www.realnetworks.com/products/server/
3. Icecast => icecast.org.
4. Darwin Streaming Server =>
http://developer.apple.com/darwin/projects/streaming/
The tools like Winamp with ShoutCast Plugin and the
latest Jetaudio available in windows.