The best replacement for esri is mapinfo.

The best alternatives to esri are rated as following:
★★★★★  mapinfo
★★★★  autodesk
★★  intergraph
★★  geomedia
★  google earth
★  google maps
★  smallworld
★  erdas
  opengeo
  open source gis
  mapguide
  mappoint

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Google Trends

Scale is based on the average worldwide traffic of esri in all years. Click on graph for more.
esri
mapinfo
autodesk