KozMos OASis-XLS was totally programmed using Visual LISP to make data exchange between Excel and AutoCAD.
As primier purpose, OASis-XLS can provide Visual LISP programmers many useful functions to operate Excel
from within AutoCAD.
KozMos OASis-XLS also contain some useful commands to import Excel tables into AutoCAD.
This is still a FREE version and there is NOT any limitation on the import.