The best replacement for steam is sauna.

The best alternatives to steam are rated as following:
★★★★★  sauna
★★★  impulse
★★  gamersgate
★★  origin
★  iron
★  stem
★  chemical carpet cleaning
★  dry sauna
★  water vapor
★  direct2drive
★  hot water
★  gog
★  boil
★  boil crab
★  pump espresso machine
★  boiling water
★  boil crab legs
★  boil artichokes
★  xbox live
★  vapor
★  sauna first
★  boil shrimp
★  boil vegetables
  pump espresso
  boil broccoli
  onlive
  uplay
  hot water radiator
  desura
  psn
  boil potatoes
  hot water heat
  boil cabbage
  boil asparagus
  dry carpet cleaning
  steam
  chem-dry carpet cleaning
  cool mist
  iron dress shirts
  cold humidifiers
  pressure
  boil artichoke
  gamestop
  amazon
  diesel locomotives
  boil corn
  hot water radiators
  chem dry
  infrared sauna
  hot water boiler
  superheated steam
  xfire
  boil corn on the cob
  shampoo
  saturated steam
  smoke
  water washing machines

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

Other search terms related to steam and their ratings are:
★★★★★ steamer
★★★ rice cooker
★★★ counter strike
★★ xbox 360 controller
★★ vicks
★★ cs
★★ paypal
★ install
★ ps4 controller
★ portal
★ counter strike 1.6
★ buying a game
★ pressure cooker
★ half life
★ controller
1.6
cs 1.6
ironing
ps3 controller
You have in mind a companion for steam and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of steam in all years. Click on graph for more.
steam
sauna
impulse