The best replacement for autocad is solidworks.

The best alternatives to autocad are rated as following:
★★★★★  solidworks
★★★★  autocad lt
★★★★  revit
★★★  inventor
★★★  microstation
★★★  google sketchup
★★★  автокад
★★★  allplan
★★★  progecad 2009
★★  autodesk
★★  turbocad
★★  autocad architecture
★  vectorworks
★  sketchup
★  archicad
★  maya
★  3ds max
★  autocad mechanical
★  autodesk inventor
  hand drafting
  revit for architecture
  civil 3d
  blender
  autocad
  draftsight
  catia
  architectural desktop
  revit architecture
  autocad lite
  autocad electrical
  pro e
  cad
  chief architect
  progecad
  dwg trueview
  adt
  solid edge
  3dsmax
  rhinoceros

Your alternative for autocad is not listed? Suggest!
Speaking about autocad, one probably shouldn't forget about wacom tablet.

Other search terms related to autocad and their ratings are:
★★★★★ wacom tablet
★★★ visual basic
★★ vba
★★ carlson
★★ intel hd graphics
★ wacom
★ revit
★ magic mouse
★ gis
★ xref
★ mirroring text
3ds max
autocad
You have in mind a companion for autocad and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of autocad in all years. Click on graph for more.
autocad
solidworks
autocad lt