Unreal Media Server overview

http://www.umediaserver.net/overview.html

Efficient multimedia delivery over public networks is a challenge for modern technology. Insufficient bandwidth, network latency, paranoid firewall restrictions and many more obstacles make it very difficult to transfer streaming content to end users, especially in real-time. Existing Media servers, such as Microsoft and Real Networks ones, only partially cover growing demand for streaming quality

A candidate for serving music when I move all my tunes to Windows.