License information

OVITO Basic in binary form is published by the software vendor 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 open-source software components. The table lists the licenses of the included components and, if they are used under LGPL, build steps for their source codes.

Component	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	Apache 2.0
OVITO legacy code	license
ffmpeg	LGPL v2.1	Info
netCDF	license
HDF5	license
Voro++ by Chris Rycroft	license
zlib	license
Zstandard	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
PySide6	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 RenderKit common C++/CMake infrastructure	Apache 2.0
Intel Open VKL	Apache 2.0
oneAPI Threading Building Blocks	Apache 2.0
GEMMI (GEneral MacroMolecular I/O)	MPL v2
Parsing Expression Grammar Template Library (PEGTL)	license
XTC/TRR/XDR file I/O routines	license
LAMMPS	LGPL v3
Traits	license
Sodium	license
rapidyaml	license
The Khronos Group ANARI SDK	Apache 2.0
NVIDIA VisRTX	license
NVIDIA OptiX	NVIDIA Software Developer Kits, Samples and Tools License Agreement
OpenGL Mathematics (GLM)	license

Software Bill of Materials (SBOM)

Since version 3.15, OVITO ships with a machine-readable Software Bill of Materials (SBOM) that lists all third-party components included in the software along with their versions and licenses. The SBOM is provided in SPDX JSON format (version 2.3), an international open standard for communicating software bill of materials information.

The SBOM file (ovito-*.spdx.json) is found in the following directory of your local OVITO Basic/Pro installation:

• Linux: share/ovito/ovito-*.spdx.json

• macOS: Ovito.app/Contents/Resources/ovito-*.spdx.json

• Windows: C:\Program Files\OVITO\ovito-*.spdx.json

Note: SBOM information is not included in Conda and PyPI packages.