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# Licensing information

OVITO Basic in binary form is published by OVITO GmbH, Germany under the terms of the MIT License. Program packages are built from source code available under the terms of the GNU General Public License (v3) and the MIT License. The source code is hosted in a public GitLab repository.

OVITO Pro is proprietary software of OVITO GmbH and licensed under the terms of the OVITO Pro End-User Licence Agreement. See this page for more information on the differences between the two versions of OVITO.

The `ovito` Python module, distributed as PyPI and Anaconda packages, is made available by OVITO GmbH under the MIT License.

## Third-party software

OVITO Pro and OVITO Basic are based on the following third-party software components. Click the links to see the corresponding copyright notices and/or build instructions.

Library | License | Instructions
--- | --- | ---
Qt | LGPL v3 | Info
Qwt | license |
Boost | license |
Python | PSF license |
Geogram library by Bruno Levy, INRIA - ALICE | license |
Tachyon Parallel / Multiprocessor Ray Tracing System by John E. Stone | license |
muParser by Ingo Berg | license |
Libssh | LGPL v2.1 | Info
OpenSSL | license |
ffmpeg | LGPL v2.1 | Info
netCDF | license |
HDF5 | license |
Voro++ by Chris Rycroft | license |
zlib | license |
Polyhedral Template Matching library by Peter Mahler Larsen | license |
QCP rotation calculation method by Pu Liu and Douglas L. Theobald | license |
GSD (General Simulation Data) I/O routines | license |
pybind11 | license |
PySide2 | LGPL v3 | Info
Numpy | license |
Matplotlib | license |
KISS FFT | license |
OSPRay | Apache 2.0 |
Embree | Apache 2.0 |
Intel Open Image Denoise | Apache 2.0 |
Intel Open Volume Kernel Library | Apache 2.0 |
Intel RenderKit common C++/CMake infrastructure | Apache 2.0 |
Threading Building Blocks | Apache 2.0 |
GEMMI (GEneral MacroMolecular I/O) | MPL v2 |
Parsing Expression Grammar Template Library (PEGTL) | license |
XTC/XDR file I/O routines | license |

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