You can download files through the SourceForge file releases project page.
There are two releases:
|Stable||0.35||The original Mserv concept - music is played to the local soundcard.|
|Development||0.41||New streaming model, music is played via Icecast 2 server to many users.|
More information on Icecast streaming, including a demo.
Mserv is also available within the NetBSD and Debian ports/package systems.