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by rodface 1114 days ago
My mind immediately jumped to CAD (that being my domain)

While a lot of packages have come and gone, the heavy hitters have been around a while:

  Siemens NX (Unigraphics) 1973
  DS CATIA 1982
  Autodesk AutoCAD 1982
  PTC Creo (Pro/Engineer) 1987
The baby of the bunch is DS Solidworks 1995, still 27 years.