The best replacement for aeration is power raking.

The best alternatives to aeration are rated as following:
★★★★★  power raking
★★★★  dethatching
★★★★  verticutting
★★  septic
★★  core aeration
★★  thatching
★★  slit seeding
★★  slice seeding
★  oxygenation
★  power seeding
★  verticut
★  spike aeration
★  zone of saturation
★  raking
  plug aeration
  scarification
  power rake
  cavitation
  dethatch
  activated sludge
  verti cutting
  aeration

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

Other search terms related to aeration and their ratings are:
★★★★★ overseeding
★★★ seeding
★★ venturi
You have in mind a companion for aeration and it is not yet here? Propose!



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aeration
power raking
dethatching