The best replacement for eraser is ccleaner.

The best alternatives to eraser are rated as following:
★★★★★  ccleaner
★★★★  dban
★★★  file shredder
★★★  roundup
★★★  rubber
★★  eraser
★★  sdelete
★★  eraserdrop
★★  freeraser
★★  erasure
★  emwave
★  chase down artist
★  chaser
★  account credit
★  killdisk
★  bcwipe
★  meteor storm
★  kingman chaser
★  neutrogena wave
★  nomarks
★  pencil
  armageddon vertus
  pink eraser
  resperate
  sanford eraser
  reeyeyes darkness metal dragon

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

Other search terms related to eraser and their ratings are:
★★★★★ sharpener
★★ pencil sharpener
board marker
You have in mind a companion for eraser and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of eraser in all years. Click on graph for more.
eraser
ccleaner
dban