PSI/88 Version 1.0  by W. L. Jorgensen & D. L. Severance

To plot wavefunctions in three dimensions from
semi-empirical and most popular ab initio basis sets.
Valence semi-empirical, STO-3G, 3-21++G(*) and
6-31++G(d,p) basis sets are implemented for atoms
H-Ar.

On-line manual is available at this web site.

You can also download the source code of psi88 from
the above site as a ``psi88.tar.gz''.  When you do ungzip and
untar this archive, you will obtain some documents and
the ``psi88.tar.Z'' file which is required at this port.