The best replacement for eotech is aimpoint.

The best alternatives to eotech are rated as following:
★★★★★  aimpoint
★★★★  acog
★★★  trijicon
★★  aimpoint pro
★★  trijicon reflex
★  red dot
★  aimpoint magnifier
★  bushnell
★  sightmark
★  aimpoint micro
★  reflex
★  burris
★  trijicon acog
★  bushnell holosight
★  vortex
★  holosight
  acog sight
  aimpoint t1
  trijicon rmr
  aimpoint sights
  aimpoint better
  1-4x scope
  accupoint
  aimpoint red dot
  c-more
  meprolight
  iron sights
  t-1
  acog sights

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

Other search terms related to eotech and their ratings are:
★★★★★ magnifier
★★★★ night vision
★★ 3x magnifier
★★ iron sights
★★ a2 front sight
★ fixed front sight
★ 3x
★ magnification
★ aimpoint 3x
★ 6x magnifier
front sight
front sight post
night vision scope
You have in mind a companion for eotech and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of eotech in all years. Click on graph for more.
eotech
aimpoint
acog