The best replacement for plex is xbmc.

The best alternatives to plex are rated as following:
★★★★★  xbmc
★★★  playon
★★  serviio
★★  itunes
★  media browser
★  ps3 media server
★  boxee
★  tversity
★  vlc
★  superdrol
★  dlna
★  avia
★  subsonic
★  plexpass
★  front row
★  air video
★  media browser 3
★  twonky
  boxee mac
  windows media center
  xbmc for mac
  minidlna
  xbmc apple tv 2
  realplayer cloud
  duplex
  accu-range
  roconnect
  mezzmo
  video station
  mediabrowser
  wmc
  ds video
  mythtv
  xbmc mac
  m drol
  methyl drol
  orb
  bubbleupnp
  nikon bdc

Your alternative for plex is not listed? Suggest!
Speaking about plex, one probably shouldn't forget about nas.

Other search terms related to plex and their ratings are:
★★★★★ nas
★★★★★ roku
★★★★★ xbmc
★★★★ chromecast
★★★ transcoding
★★★ netflix
★★ eyetv
★★ apple tv 3
★ apple remote
★ roku 3
★ google drive
★ wd my cloud
tv tuner
media server
vizio tv
You have in mind a companion for plex and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of plex in all years. Click on graph for more.
plex
xbmc
playon