Distribution of PeIGS
PeIGS is free software, but:
DISCLAIMER
This material was prepared as an account of work sponsored by an
agency of the United States Government.  Neither the United States
Government nor the United States Department of Energy, nor Battelle,
nor any of their employees, MAKES ANY WARRANTY, EXPRESS OR IMPLIED, OR
ASSUMES ANY LEGAL LIABILITY OR RESPONSIBILITY FOR THE ACCURACY,
COMPLETENESS, OR USEFULNESS OF ANY INFORMATION, APPARATUS, PRODUCT,
SOFTWARE, OR PROCESS DISCLOSED, OR REPRESENTS THAT ITS USE WOULD NOT
INFRINGE PRIVATELY OWNED RIGHTS.
ACKNOWLEDGMENT
  This software and its documentation were produced with United States
  Government support under Contract Number DE-AC06-76RLO-1830 awarded by
  the United States Department of Energy.  The United States Government
  retains a paid-up non-exclusive, irrevocable worldwide license to
  reproduce, prepare derivative works, perform publicly and display
  publicly by or for the US Government, including the right to
  distribute to other US Government contractors.
Location of the PeIGS package:
- Anonymous ftp site:   ftp.pnl.gov 
- File: Read  pub/peigs/README  for relevant files
TCGMSG is available as part of the Global Array Toolkit  distribution.