VMD Copyright and Disclaimer
VMD is Copyright © 1995-2013 Board of Trustees of the University of Illinois and others.
The terms for using, copying, modifying, and distributing VMD are specified by the VMD License.
Some of the code and executables used by VMD have different restrictions. They are:
1) STRIDE, the program used for secondary structure calculation, is free to both academic and commercial sites provided that STRIDE will not be a part of a package sold for money. The use of STRIDE in commercial packages is not allowed without a prior written commercial license agreement. See http://www.embl-heidelberg.de/stride/stride_info.html.
2) The source code for SURF is copyrighted by the original author, Amitabh Varshney, and the University of North Carolina at Chapel Hill. Permission to use, copy, modify, and distribute this software and its documentation for educational, research, and non-profit purposes is hereby granted, provided this notice, all the source files, and the name(s) of the original author(s) appear in all such copies.
BECAUSE THE CODE IS PROVIDED FREE OF CHARGE, IT IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED.
This software was developed and is made available for public use with the support of the National Institutes of Health, National Center for Research Resources under grant RR02170.
3) The perl script to retrieved web documents, url_get, was written by Jack Lund at the University of Texas as Austin. There appear to be no restrictions on its use.