OpenMM was developed by Simbios, the NIH National Center for Physics-Based Simulation of Biological Structures at Stanford, funded under the NIH Roadmap for Medical Research, grant U54 GM072970. See https://simtk.org.
Portions copyright © 2008-2009 Stanford University and the Authors.
There are several licenses which cover different parts of OpenMM as described below.
1. API and Reference Platform
The OpenMM API and the Reference Platform may be used under the terms of the MIT License:
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS, CONTRIBUTORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2. CUDA and OpenCL Platforms
The CUDA Platform and OpenCL Platform may be used under the terms of the GNU Lesser General Public License. A copy of this license may be found on the accompanying wiki page LGPL. It in turn incorporates the terms of the GNU General Public License, which may be found on the accompanying wiki page GPL.
3. SIMD-oriented Fast Mersenne Twister (SFMT)
OpenMM uses the SFMT library which is copyright 2006-2007 Mutsuo Saito, Makoto Matsumoto and Hiroshima University. It may be used under the following terms:
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
- Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- 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.
- Neither the name of the Hiroshima University nor the names of
- its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
4. Hilbert Curve
OpenMM uses an implementation of Hilbert curves which is copyright 1998-2000 Rice University. It may be used under the following terms:
This software is copyrighted by Rice University. It may be freely copied, modified, and redistributed, provided that the copyright notice is preserved on all copies.
There is no warranty or other guarantee of fitness for this software, it is provided solely "as is". Bug reports or fixes may be sent to the author, who may or may not act on them as he desires.
You may include this software in a program or other software product, but must display the notice:
Hilbert Curve implementation copyright 1998, Rice University
in any place where the end-user would see your own copyright.
If you modify this software, you should include a notice giving the name of the person performing the modification, the date of modification, and the reason for such modification.
The CUDA platform uses the GPU-BBSort library written by Chen Shifu. It includes the following license statement:
The code is distributed under BSD license, you are allowed to use, modify or sell this code, but a statement is required if you used this code any where.