This software is provided gratis to anyone interested. If you use it for published research, I would appreciate a brief mention in the acknowledgements, and a pointer to your paper.
The Zeno software package is a comprehensive environment for N-body/SPH simulation and analysis on Mac, Linux, or Unix machines. The code is available as free software under the GNU GPL.
The following standalone programs are also available.
Joshua E. Barnes
(barnes at ifa.hawaii.edu)
13 February 2013