The best replacement for ps3 media server is tversity.

The best alternatives to ps3 media server are rated as following:
★★★★★  tversity
★★  plex
★★  serviio
★★  mediatomb
★★  universal media server
★  twonky
★  xbmc
★  tversity which is better
★  medialink
  ums
  playon

Your alternative for ps3 media server is not listed? Suggest!
Speaking about ps3 media server, one probably shouldn't forget about vlc.

Other search terms related to ps3 media server and their ratings are:
★★★★★ vlc
★★★★ subtitles
You have in mind a companion for ps3 media server and it is not yet here? Propose!



Google Trends

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ps3 media server
tversity
plex