FFT Graph - Third-Party Software Notices
=========================================

FFT Graph (FFTGraph.exe) is built with PyInstaller and bundles the
following third-party components. Their licenses are reproduced or
referenced below.

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1. Python
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Copyright (c) 2001-2026 Python Software Foundation. All rights reserved.
Licensed under the Python Software Foundation License Version 2 (PSF-2.0).
Full text: https://docs.python.org/3/license.html

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2. NumPy
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Copyright (c) 2005-2026, NumPy Developers. All rights reserved.
Licensed under the 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:
  * 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 NumPy Developers nor the names of any
    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.

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3. Matplotlib
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Copyright (c) 2012-2026 Matplotlib Development Team. All Rights Reserved.
Licensed under the Matplotlib License (PSF-based, BSD-compatible).
Full text: https://matplotlib.org/stable/project/license.html

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4. Tcl/Tk (via tkinter)
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Copyright (c) The Regents of the University of California, Sun Microsystems,
Inc., Scriptics Corporation, ActiveState Corporation and other parties.
Licensed under the Tcl/Tk License (BSD-style).
Full text: https://www.tcl.tk/software/tcltk/license.html

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5. DejaVu Fonts (bundled with Matplotlib)
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DejaVu fonts are based on Bitstream Vera Fonts.
Copyright (c) 2003 Bitstream, Inc. / Copyright (c) 2006 Tavmjong Bah.
Licensed under the Bitstream Vera Fonts license (free redistribution
permitted with notice). Full text:
https://dejavu-fonts.github.io/License.html

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6. PyInstaller (build tool)
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PyInstaller is licensed under the GPL v2 or later, WITH a special
exception that permits distributing executables built with PyInstaller
under any license. The bundled bootloader in FFTGraph.exe is covered by
this exception. Full text:
https://pyinstaller.org/en/stable/license.html
