iCn3D incorporates the DelPhi code to dynamically show the electrostatic potential map. The DelPhi code is licensed by Columbia University, which does not permit commercial use without contacting the DelPhi project for permission.
The remaining code is a "United States Government Work" and is provided by the terms described below:
PUBLIC DOMAIN NOTICE
National Center for Biotechnology Information
This software/database is a "United States Government Work" under the terms of the United States Copyright Act. It was written as part of the author's official duties as a United States Government employee and thus cannot be copyrighted. This software/database is freely available to the public for use. The National Library of Medicine and the U.S. Government have not placed any restriction on its use or reproduction.
Although all reasonable efforts have been taken to ensure the accuracy and reliability of the software and data, the NLM and the U.S. Government do not and cannot warrant the performance or results that may be obtained by using this software or data. The NLM and the U.S. Government disclaim all warranties, express or implied, including warranties of performance, merchantability or fitness for any particular purpose.
Please cite the author in any work or product based on this material.