DuckCorp Dico

Found one definition

1.                 From The Free On-line Dictionary of Computing (19 January 2023):
                   
   
   
                   
                     
   Neon
      Charles Duff.  An object-oriented extension of FORTH, for the
      Mac.  Inheritance, SANE floating-point, system classes and
      objects for Mac interfacing, overlays.  Sold by Kriya Systems,
      1985-1988.  Modified, made PD and renamed Yerk.