Universal Media Server is a DLNA-compliant UPnP Media Server
Universal Media Server supports all major operating systems, with versions for Windows, Linux and Mac OS X.
The program streams or transcodes many different media formats with little or no configuration.
UMS is powered by MEncoder, FFmpeg, tsMuxeR, AviSynth, MediaInfo and more, which combine to offer support for a wide range of media formats
Check out the list of media renderers here: http://www.universalmediaserver.com/about/