The best replacement for grid is healbot.

The best alternatives to grid are rated as following:
★★★★★  healbot
★★★  need for speed shift
★★★  aids
★★  vuhdo
★★  grid 2
★★  cloud
★★  cluster
★★  dirt
★★  gt5
★  cloud computing
★  forza
★  dirt 2
★  snoot
★  shift
★  grid2
★  stackpanel
★  burnout paradise
★  forza 2
★  flexbox
★  rumble roller
  burnout
  dirt 3
  grid reloaded
  matrix
  nstar
  xperl
  gran turismo
  need for speed
  nfs shift
  forza 3
  standard starcraft 2
  rac
  expert
  datagrid wpf
  standard sc2
  dominion
  x perl
  con edison
  grid tie
  yagi
  gt5 prologue
  p2p
  virtualization

Your alternative for grid is not listed? Suggest!
Speaking about grid, one probably shouldn't forget about x and y axis.

Other search terms related to grid and their ratings are:
★★★★★ x and y axis
★★★★ axes
★★★ bootstrap
★★ coordinates
★ clique
tiles
solar
You have in mind a companion for grid and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of grid in all years. Click on graph for more.
grid
healbot
need for speed shift