The best replacement for control4 is crestron.

The best alternatives to control4 are rated as following:
★★★★★  crestron
★★★★★  hai
★★★★  savant
★★★★  elan
★★  lutron
★★  rti
★★  amx
★★  sonos
★★  insteon
★★  nest
★  z wave
★  elan g
★  urc
★  creston
★  homeseer
★  total control
★  cortexa
  prodigy
  fibaro
  netstreams

Your alternative for control4 is not listed? Suggest!
Speaking about control4, one probably shouldn't forget about sonos.

Other search terms related to control4 and their ratings are:
★★★★★ sonos
★★★ lutron
★★ somfy
★ rhapsody
You have in mind a companion for control4 and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of control4 in all years. Click on graph for more.
control4
crestron
hai