Company Persona Software, LLC created these great apps:
media:connect - stream music, movies, and photos to and from your UPnP player and DLNA client devices, flex:player - Video player for MKV, AVI, WMV, VOB, DivX, Xvid, sync:stream, media:connect:premium - stream music, movies, and photos to and from your UPnP player and DLNA client devices, and others..