Licences

Simcoe Trading is built with the open-source software below, each under its own licence, and ships the data listed after it. Nothing in the app's own licence limits what these licences allow you.

The app's own licence: LICENSE.txt. Every licence text in full: THIRD_PARTY_LICENSES.txt (also in the app, under Help › About › Licences).

Qt and PySide6 are used under the GNU Lesser General Public License, version 3. Their source is at https://download.qt.io/official_releases/QtForPython/. You may replace them with your own modified versions (see the terms).

Software

ComponentVersionLicenceHome
beautifulsoup44.15.0MIT Licensehttps://www.crummy.com/software/BeautifulSoup/bs4/
certifi2026.6.17MPL-2.0https://github.com/certifi/python-certifi
cffi2.0.0MIThttps://github.com/python-cffi/cffi
charset-normalizer3.4.7MIThttps://github.com/jawah/charset_normalizer
colorama0.4.6BSD Licensehttps://github.com/tartley/colorama
curl_cffi0.15.0MIThttps://github.com/lexiforest/curl_cffi
feedparser6.0.12BSD-2-Clausehttps://github.com/kurtmckee/feedparser
idna3.18BSD-3-Clausehttps://github.com/kjd/idna
jaraco.classes3.4.0MIT Licensehttps://github.com/jaraco/jaraco.classes
jaraco.context6.1.2MIThttps://github.com/jaraco/jaraco.context
jaraco.functools4.6.0MIThttps://github.com/jaraco/jaraco.functools
keyring25.7.0MIThttps://github.com/jaraco/keyring
markdown-it-py4.2.0MIT Licensehttps://github.com/executablebooks/markdown-it-py
mdurl0.1.2MIT Licensehttps://github.com/executablebooks/mdurl
more-itertools11.2.1MIThttps://github.com/more-itertools/more-itertools
multitasking0.0.13Apachehttps://github.com/ranaroussi/multitasking
numpy2.4.6BSD-3-Clause AND 0BSD AND MIT AND Zlib AND CC0-1.0https://numpy.org
pandas3.0.3BSD Licensehttps://pandas.pydata.org
peewee4.1.0see its licence texthttps://github.com/coleifer/peewee
platformdirs4.10.0MIThttps://github.com/tox-dev/platformdirs
protobuf7.35.13-Clause BSD Licensehttps://developers.google.com/protocol-buffers/
pycparser3.0BSD-3-Clausehttps://github.com/eliben/pycparser
Pygments2.20.0BSD-2-Clausehttps://pygments.org
pyqtgraph0.14.0MIThttps://github.com/pyqtgraph/pyqtgraph
PySide6_Essentials6.12.0LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-onlyhttps://pyside.org
python-dateutil2.9.0.post0Dual Licensehttps://github.com/dateutil/dateutil
pytz2026.2MIThttp://pythonhosted.org/pytz
requests2.34.2Apache-2.0https://github.com/psf/requests
rich15.0.0MIThttps://github.com/Textualize/rich
sgmllib3k1.0.0BSD Licensehttp://hg.hardcoded.net/sgmllib
shiboken66.12.0LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-onlyhttps://pyside.org
six1.17.0MIThttps://github.com/benjaminp/six
soupsieve2.8.4MIThttps://github.com/facelessuser/soupsieve
typing_extensions4.16.0PSF-2.0https://github.com/python/typing_extensions
urllib32.7.0MIThttps://github.com/urllib3/urllib3
websockets16.0BSD-3-Clausehttps://github.com/python-websockets/websockets
yfinance1.4.1Apachehttps://github.com/ranaroussi/yfinance
Qt (the libraries inside PySide6-Essentials)6.12.0LGPL-3.0-onlyhttps://www.qt.io
Python3.14.6PSF-2.0https://www.python.org
PyInstaller (its launcher only)6.21.0GPL-2.0 with the bootloader exceptionhttps://pyinstaller.org
IBM Plex Mono and IBM Plex Sans (fonts)—OFL-1.1https://github.com/IBM/plex

Data

SourceLicenceHomeUsed for
Natural Earthpublic domainhttps://www.naturalearthdata.comcountry outlines, states, rivers, lakes and cities on MAP and WMAP (data/world_110m.json, data/geo/)
Global Power Plant Database v1.3, World Resources InstituteCC BY 4.0https://datasets.wri.org/dataset/globalpowerplantdatabasepower plants on MAP (data/geo/power.json.gz)
OurAirportspublic domainhttps://ourairports.com/data/airports on MAP (data/geo/airports.json.gz)
WikidataCC0 1.0https://www.wikidata.orgcompany headquarters, refineries, LNG terminals and nuclear plants on MAP (data/geo/)
WikipediaCC BY-SA 4.0https://en.wikipedia.orgthe index member lists behind the GICS sector browser (data/gics_universe.json)

The power plant data is © World Resources Institute and its partners, used under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). The Wikipedia lists are used under CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).

This website

Its lettering is IBM Plex Sans and IBM Plex Mono (SIL Open Font Licence) and Syne (SIL Open Font Licence).