Lets you build cross-platform apps with JS, HTML and CSS, with an API to interact with menus, windows, updaters, and installers.
This electron app: https://github.com/electron/electron-api-demos - shows the different features available.
From this article, came this solution - https://github.com/fyears/electron-python-example - described here: https://www.fyears.org/2017/02/electron-as-gui-of-python-apps-updated.html.
Flutter is somewhat similar, but adds iOS and Android support: https://flutter.dev/. It also works with [[Python]]: