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  SimpliTake — Third-Party Software Notices
  Copyright (c) SimpliTake LLC. All rights reserved.
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Contact: INFO@simplitake.com

Also see: THIRD-PARTY-LICENSES.txt (structured component list) and the full
license texts in the "licenses" folder.

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WHAT THIS DOCUMENT IS
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SimpliTake is commercial, proprietary software owned by SimpliTake LLC. You
license SimpliTake under our User Agreement (EULA) — SimpliTake is NOT free or
open-source software, and it is a one-time purchase with no subscription.

Like many desktop programs, SimpliTake also includes some free, open-source
components (for example, the toolkit that draws windows and buttons, and
libraries that read and write PDF and Excel files). This document credits those
components, explains your rights for the open-source parts, and points you to
their full license texts.

You do not need to read this file to use SimpliTake for everyday takeoff work.

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WHERE TO FIND LICENSE FILES (after installation, next to SimpliTake.exe)
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  THIRD_PARTY_NOTICES.txt     (this file — plain-language summary)
  THIRD-PARTY-LICENSES.txt    (structured list of bundled components)
  licenses\                   (full legal license texts)
    README.txt
    LGPL-3.0.txt              (PySide6 / Qt — see Part 1)
    LGPL-2.1.txt              (GEOS geometry library via Shapely — see Part 2)
    MIT.txt, Apache-2.0.txt, BSD-3-Clause.txt

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  PART 1 — THE UI TOOLKIT (PySide6 / Qt)  [LGPL v3]
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SimpliTake's screens, buttons, and dialogs are built with Qt technology,
delivered as PySide6 (Qt for Python) on Windows. Qt is produced by The Qt
Company and others and is licensed under the GNU Lesser General Public License,
version 3 (LGPL-3.0).

What that means for you:
  • SimpliTake itself remains proprietary — you may not copy or resell
    SimpliTake's own code.
  • The Qt/PySide6 files shipped with SimpliTake are open-source under the LGPL.
  • You may keep using SimpliTake normally.
  • The LGPL grants certain rights for those Qt-related files only, including the
    right to obtain their source code and to replace those library files with a
    compatible LGPL version (advanced; optional).

Please do not delete or alter copyright or license notices in the install folder.

HOW TO REQUEST LGPL SOURCE CODE
  We will provide source for the LGPL-covered parts (PySide6, shiboken6, Qt 6,
  and/or GEOS via Shapely) for at least three years after we last provided this
  version.
    To:      INFO@simplitake.com
    Subject: LGPL Source Request
    Include: product name (SimpliTake), your version, approximate purchase date.
  Official upstream sources (often quickest):
    https://code.qt.io/cgit/pyside/pyside-setup.git/
    https://www.qt.io/download-open-source
  Full LGPL texts: licenses\LGPL-3.0.txt and licenses\LGPL-2.1.txt

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  PART 2 — OTHER OPEN-SOURCE COMPONENTS IN SIMPLITAKE
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These libraries help SimpliTake open PDFs, show page thumbnails, export to PDF
or Excel, and compute area-takeoff geometry. Most use permissive licenses (MIT,
BSD, or Apache). GEOS (via Shapely) uses LGPL-2.1+ — see below.

  Component      What it does in SimpliTake          License
  -----------    --------------------------------    -----------------
  pypdfium2      Displays PDF pages on screen        BSD / Apache
                 (Google PDFium — permissive, suitable for proprietary
                  commercial software; SimpliTake does NOT use PyMuPDF/MuPDF AGPL)
  pypdf          PDF page handling                   BSD 3-Clause
  pdfplumber     Reads lines/text in PDFs for        MIT
                 snapping and takeoff
  Pillow         Page thumbnail images               MIT (Pillow / HPND)
  reportlab      Creates exported PDF reports        BSD 3-Clause
  openpyxl       Creates Excel (.xlsx) exports       MIT
  shapely        Area-takeoff geometry (Python)      BSD 3-Clause
  GEOS           Geometry engine (via Shapely)       LGPL-2.1+
                 Full text: licenses\LGPL-2.1.txt
  cryptography   Security helpers (license check)    Apache-2.0 / BSD-3-Clause
  numpy          Numeric support (bundled)           BSD 3-Clause
  shiboken6      Support library for PySide6         LGPL v3 (listed with Qt)

Additional support libraries (bundled automatically):
  pdfminer.six        PDF parsing (for pdfplumber)    MIT
  charset-normalizer  Text encoding                   MIT
  cffi / pycparser    Low-level helpers               MIT / BSD
  et_xmlfile          Excel file support              MIT

Copyright and project home pages are maintained by the respective authors. For
exact copyright lines, see the license files in the "licenses" folder or the
projects' websites (links available on request at INFO@simplitake.com).

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  PART 3 — NOT SHIPPED WITH SIMPLITAKE
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  PyInstaller — used only on our build computers to create the installer; not
                included in what you install.

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  QUESTIONS
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Licensing or LGPL source:  INFO@simplitake.com  (subject: LGPL Source Request)
General support:           INFO@simplitake.com

This summary is for transparency and is not legal advice. For exact terms, read
the license files in the "licenses" folder. For a full component list, see
THIRD-PARTY-LICENSES.txt.
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