Third-party Licenses

Last updated: July 6, 2026 (v4.x — PySide6 application stack)

This document is provided in English only. If any translation is made available, the English version prevails.

This file contains the license notices for third-party libraries and assets used by SimulATe, as required by their respective licenses.

1. PYTHON — PSF License

2. PYSIDE6 (Qt for Python) — LGPL v3

PySide6 (Qt for Python, including the shiboken6 binding generator runtime) is used under the GNU Lesser General Public License v3. SimulATe links to PySide6/Qt dynamically; the libraries are not modified. Users may replace the PySide6/Qt shared libraries with compatible versions as permitted by the LGPL v3. See: https://www.qt.io/qt-for-python and https://www.qt.io/licensing

3. QT 6 — LGPL v3 / Qt Commercial License

The Qt 6 framework libraries are available under the GNU Lesser General Public License v3 and under commercial licenses from The Qt Company. See: https://www.qt.io/licensing

4. PILLOW (PIL) — HPND / MIT-CMU License

Licensed under the open-source HPND / MIT-CMU License. See: https://github.com/python-pillow/Pillow/blob/main/LICENSE

5. OPENPYXL — 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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

6. NUMPY — BSD 3-Clause License

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.

2. Redistributions in binary form must reproduce the above copyright notice.

3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS".

7. MATPLOTLIB — Matplotlib License (BSD-compatible)

Licensed under a BSD-compatible license. Matplotlib only uses BSD compatible code, and its license is based on the PSF license. See: https://matplotlib.org/stable/users/project/license.html

8. PYVISTA — 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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

9. VTK (Visualization Toolkit) — BSD 3-Clause License

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the BSD 3-Clause conditions are met. See: https://vtk.org/about/#license

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS".

10. REPORTLAB (Open Source) — BSD 3-Clause License

Licensed under the BSD 3-Clause License. See: https://www.reportlab.com/dev/docs/license/

11. EZDXF — 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.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND.

12. QRCODE — BSD License

Licensed under the BSD License.

13. REQUESTS — Apache License 2.0

Licensed under the Apache License, Version 2.0. You may obtain a copy of the License at: https://www.apache.org/licenses/LICENSE-2.0

14. PHOSPHOR ICONS — MIT License

The application's icon set (toolbar, dialogs, status indicators) is rendered from Phosphor Icons SVG data.

Source : https://phosphoricons.com License: https://github.com/phosphor-icons/core/blob/main/LICENSE

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.

15. HEROICONS — MIT License

Some user-interface icons are rendered from Heroicons v2 outline SVG path data, embedded inline in `ui/widgets/icons.py`.

Source : https://heroicons.com License: https://github.com/tailwindlabs/heroicons/blob/master/LICENSE

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.

16. FONT AWESOME FREE — CC BY 4.0 / SIL OFL 1.1 / MIT

Icons: CC BY 4.0 License (https://creativecommons.org/licenses/by/4.0/) Fonts: SIL OFL 1.1 License (https://scripts.sil.org/OFL) Code: MIT License (https://opensource.org/licenses/MIT)

Font Awesome Free is free, open source, and GPL friendly. Attribution is required — embedded comments in files serve as attribution.

17. MATERIAL DESIGN ICONS — Apache License 2.0

Licensed under the Apache License, Version 2.0. You may obtain a copy of the License at: https://www.apache.org/licenses/LICENSE-2.0

Material Design Icons are available for use in commercial projects. Attribution is appreciated but not required.

18. INTER FONT FAMILY — SIL Open Font License 1.1

The application's bundled UI font. Licensed under the SIL Open Font License, Version 1.1: https://scripts.sil.org/OFL

19. IEC 60617 ELECTRICAL SYMBOLS

IEC 60617 graphical symbols are standardized by the International Electrotechnical Commission (IEC). The geometric shapes and symbol patterns defined by IEC 60617 are factual technical standards and are not subject to copyright protection. SimulATe implements these symbols as original code drawings — no copyrighted IEC publications are reproduced or distributed.

All trademarks, product names, and company names mentioned in the Software are the property of their respective owners.