Very old, but reliable and fast program for calculation the Voronoi polyhedra. Made on the base of
This program is free for education scientific purposes.
the algorithm published in 1986 (N.N.Medvedev. Algorithm for three-dimensional Voronoi polyhedra. J. Comput. Physics. 1986, v.67, p.223-229). The program code is in Fortran77.
Using the program one ought to refer to the mentioned paper:Program VOR (file Voronoi.ZIP)