PyWry: Webview rendering in Python
A “build once, render anywhere” library for Python, PyWry lets you “prototype in Jupyter, deploy via FastAPI, and compile to a stand-alone desktop executable”, using PyTauri instead of Electron.
Flet Studio
Flet Studio is an interactive, in-browser dev tool for writing Python programs that run in-browser using the Flet framework. Although you can’t download a stand-alone, compiled Flet package from the studio, just the source code, the interactivity alone is worth the effort.