The best replacement for epoxy grout is cement grout.

The best alternatives to epoxy grout are rated as following:
★★★★★  cement grout
★★★★★  sanded grout
★★★★  regular grout
★★★  urethane grout
★★★  cementitious grout
★★  grout
★★  non shrink grout
★  unsanded grout
★  polymer grout
★  standard grout
  acrylic grout
  sanded
  power grout

Your alternative for epoxy grout is not listed? Suggest!
Speaking about epoxy grout, one probably shouldn't forget about porcelain tile.

Other search terms related to epoxy grout and their ratings are:
★★★★★ porcelain tile
You have in mind a companion for epoxy grout and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of epoxy grout in all years. Click on graph for more.
epoxy grout
cement grout
sanded grout