HeatScribe Third Party Notices

Last updated: 2026-05-19


HeatScribe includes or uses third-party software, SDKs, libraries, frameworks, operating-system components, and online services. This notice identifies important third-party materials used by HeatScribe and provides attribution and license information where applicable.


These notices are provided for attribution and license-compliance purposes. Third-party materials are provided by their respective owners and licensors, not by HeatScribe. Third-party names, trademarks, product names, and service names belong to their respective owners.


Questions about these notices may be sent to:


hello@heatscribe.com


1. HeatScribe Application Runtime And Python Components


The HeatScribe desktop application is built with Python and packaged for macOS using PyInstaller. The packaged application may include portions of the Python runtime, Python standard library, Tcl/Tk GUI runtime components, PyInstaller bootloader/runtime materials, and Python package dependencies.


Important Python/runtime components include:


- Python

License: Python Software Foundation License

Project: https://www.python.org/


- Tcl/Tk

License: Tcl/Tk License

Project: https://www.tcl-lang.org/ and https://www.tcl.tk/


- PyInstaller

Version reviewed: 6.19.0

License: GPLv2-or-later with PyInstaller's special exception for distributing applications built with PyInstaller

Project: https://pyinstaller.org/


- Pillow

Version reviewed: 12.0.0

License expression reported by package metadata: MIT-CMU

Project: https://python-pillow.github.io/

Pillow may include or use native image-processing libraries for formats and features such as JPEG, PNG, TIFF, WebP, AVIF, OpenJPEG, FreeType, HarfBuzz, Little CMS, Brotli, XCB/Xau, zlib, and LZMA, each under its own license terms.


- NumPy

Version reviewed: 2.4.2

License expression reported by package metadata: BSD-3-Clause AND 0BSD AND MIT AND Zlib AND CC0-1.0

Project: https://numpy.org/


- ReportLab

Version reviewed: 4.4.9

License: BSD-style license

Copyright notice reported by package metadata: Copyright (c) 2000-2025, ReportLab Inc.

Project: https://www.reportlab.com/


- python-zstandard

Version reviewed: 0.25.0

License expression reported by package metadata: BSD-3-Clause

Project: https://github.com/indygreg/python-zstandard


- certifi

Version reviewed: 2026.2.25

License reported by package metadata: MPL-2.0

Project: https://github.com/certifi/python-certifi


- charset-normalizer

Version reviewed: 3.4.7

License reported by package metadata: MIT

Project: https://github.com/jawah/charset_normalizer


- packaging

Version reviewed: 26.0

License expression reported by package metadata: Apache-2.0 OR BSD-2-Clause

Project: https://packaging.pypa.io/


- altgraph

Version reviewed: 0.17.5

License reported by package metadata: MIT

Project: https://altgraph.readthedocs.io/


- macholib

Version reviewed: 1.16.4

License reported by package metadata: MIT

Project: https://github.com/ronaldoussoren/macholib


- OpenSSL

The packaged application may include OpenSSL runtime libraries used by Python networking and TLS support.

License: Apache License 2.0 for OpenSSL 3.x

Project: https://www.openssl.org/


Additional Python package license files may be included inside the packaged application or the Python package distributions from which the application was built.


2. DJI Thermal SDK


HeatScribe includes DJI Thermal SDK components for supported DJI radiometric thermal image workflows.


SDK package reviewed:


- dji_thermal_sdk_v1.8_20250829


The DJI Thermal SDK package includes DJI materials and open-source materials. The SDK's included License.txt states that some portions are made available under the MIT License, while other portions are made available under the DJI SDK End User License Agreement.


DJI SDK EULA:


https://developer.dji.com/policies/eula/


DJI Thermal SDK copyright notice:


Portions copyright (c) 2014-Present DJI. All rights reserved.


Copyright (c) 2020-2023 DJI.


The DJI SDK package notice also identifies the following open-source components:


- argagg

Copyright (c) 2017 Viet The Nguyen

License: MIT

Project: https://github.com/vietjtnguyen/argagg


- SimpleIni

Copyright (c) 2006-2013 Brodie Thiesfield

License: MIT

Project: https://github.com/brofield/simpleini


- TinyEXIF

Copyright (c) 2015-2017 Seacave

Based on easyexif by Mayank Lahiri

License: BSD 2-Clause

Project: https://github.com/cdcseacave/TinyEXIF


- libexif

License identified in DJI SDK notice: LGPL version 2.1

Project: https://github.com/libexif/libexif


- libiconv

License identified in DJI SDK notice: LGPL version 2.1

Project: https://www.gnu.org/software/libiconv/


- libintl / GNU gettext

License identified in DJI SDK notice: LGPL version 2.1

Project: https://www.gnu.org/software/gettext/


The DJI SDK notice states that files whose names start with "libv_" and end with ".so", ".dll", or ".lib" must be used together with libdirp.dll or libdirp.so and are not allowed to be used alone or for other purposes.


3. Embedded Linux Runtime


HeatScribe includes a local runtime environment used to support DJI thermal processing on Apple Silicon Macs.


That runtime may include:


- Fedora Linux guest image materials

- Fedora kernel and boot materials

- Fedora RPM packages

- Linux runtime libraries such as glibc, libgcc, libstdc++, libgomp, zlib, OpenSSL libraries, and related dependencies

- Apple Virtualization.framework integration in the HeatScribe runtime helper

- Apple Rosetta for Linux support when installed or made available by macOS


Fedora Project:


https://fedoraproject.org/


Fedora Legal:


https://docs.fedoraproject.org/en-US/legal/


Fedora distribution source information:


https://fedoraproject.org/wiki/Legal:Distribution


Fedora packages are distributed under their respective open-source licenses. Source packages and license information for Fedora components are generally available through Fedora project repositories, Fedora download servers, and package metadata.


Apple Virtualization.framework and Rosetta are Apple platform technologies governed by Apple's applicable software licenses, developer terms, and operating-system terms. HeatScribe does not own Apple platform technologies.


4. Online Services


Some HeatScribe website, checkout, licensing, activation, map, weather, analytics, advertising, and support-related workflows may use third-party online services. These services are not owned by HeatScribe and are governed by their own terms and privacy policies.


Services currently expected or used include:


- Lemon Squeezy

Checkout, merchant-of-record, payment, tax, licensing, and activation-related services

https://www.lemonsqueezy.com/


- Google Maps Platform

Optional map images in reports

https://mapsplatform.google.com/


- Visual Crossing

Optional weather data

https://www.visualcrossing.com/


- Framer

Website hosting and analytics

https://www.framer.com/


- Google Ads and related Google services

Advertising and measurement services if used by HeatScribe

https://policies.google.com/technologies/ads


5. Source Code And License Requests


For open-source components where an applicable license requires source-code availability, license text, attribution, or related materials, HeatScribe will make reasonable efforts to provide the required materials or direct users to the appropriate upstream source.


Requests may be sent to:


hello@heatscribe.com


Please include the HeatScribe version, the component or license you are asking about, and any relevant file path or notice reference.