Copyright and Disclaimer Notices

VMD is Copyright © 1995-2002 Theoretical Biophysics Group and the Board of Trustees of the University of Illinois

Portions of this code are copyright © 1997-1998 Andrew Dalke.

The terms for using, copying, modifying, and distributing VMD are specified by the VMD License. The license agreement is distributed with VMD in the file LICENSE. If for any reason you do not have this file in your distribution, it can be downloaded from:
http://www.ks.uiuc.edu/Research/vmd/current/LICENSE.html
Some of the code and executables used by VMD have their own usage restrictions:

• ACTC
  ACTC, the triangle consolidation library used in some versions of VMD, is Copyright (C) 2000, Brad Grantham and Applied Conjecture, all rights reserved.

  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
  1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
  2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
  3. All advertising materials mentioning features or use of this software must display the following acknowledgment: This product includes software developed by Brad Grantham and Applied Conjecture.
  4. Neither the name Brad Grantham nor Applied Conjecture may be used to endorse or promote products derived from this software without specific prior written permission.
  5. Notification must be made to Brad Grantham about inclusion of this software in a product including the author of the product and the name and purpose of the product. Notification can be made using email to Brad Grantham's current address (grantham@plunk.org as of September 20th, 2000) or current U.S. mail address.

• Python
  Python is made available subject to the terms and conditions in CNRI's License Agreement. This Agreement together with Python may be obtained from a proxy server on the Internet using the following URL: http://hdl.handle.net/1895.22/1012

• PCRE
  The Perl Compatible Regular Expressions (PCRE) library used in VMD was written by Philip Hazel and is Copyright (c) 1997-1999 University of Cambridge.
  Permission is granted to anyone to use this software for any purpose on any computer system, and to redistribute it freely, subject to the following restrictions:
  1. This software is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  2. The origin of this software must not be misrepresented, either by explicit claim or by omission.
  3. Altered versions must be plainly marked as such, and must not be misrepresented as being the original software.
  4. If PCRE is embedded in any software that is released under the GNU General Purpose License (GPL), then the terms of that license shall supersede any condition above with which it is incompatible.

• STRIDE
  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/argos/stride/stride_info.html

• SURF
  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.

• Tachyon
  The Tachyon ray tracing system distributed with VMD is Copyright (c) 1994-2003 by John E. Stone. See the Tachyon distribution for redistribution and licensing information.