The best replacement for blur is oasis.

The best alternatives to blur are rated as following:
★★★★★  oasis
★★  split second
★★  superlight
★★  gorillaz
★  heckler
★  focusout
★  sense
★  leek
★  focus
★  change
★  hot pursuit
  nomad
  575
  power hungry
  onblur
  mirror image
  need for speed hot pursuit
  benchmade griptilian
  blur
  judder
  gaussian blur
  splitsecond
  benchmade barrage
  mouseout
  htc sense
  sog aegis
  nanoblur
  sog flash
  motore
  galvanizing ward
  need for speed
  tallboy
  prodigy

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

Other search terms related to blur and their ratings are:
★★★★★ gimp
★ radiohead
★ after effects
★ phil daniels
You have in mind a companion for blur and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of blur in all years. Click on graph for more.
blur
oasis
split second