Mostly interfacing CAD objects and input/output functions.īabaCAD - World's first LISP enabled freeware CAD They called it AutoLISP as it has LISP base upgraded with some CAD specific functions, LISP (from wikipedia) is the second-oldest high-level programming language in widespread use today (Originally specified in 1958) only Fortran is older (by one year).Īutodesk, the creators of the world's leading CAD software AutoCAD, included the LISP programming as customization option since it's release 2.1 in the year 1986.
