GitHub - PySimpleGUI/PySimpleGUI: Python GUIs for Humans! PySimpleGUI is the top-rated Python application development environment. Launched in 2018 and actively developed, maintained, and supported in 2024. Transforms tkinter, Qt, WxPython, and Remi into a simple, intuitive, and fun experience for both hobbyists and expert users.
github.com
Python GUIs for Humans! PySimpleGUI is the top-rated Python application development environment. Launched in 2018 and actively developed, maintained, and supported in 2024. Transforms tkinter, Qt, ...

Previously LGPL, now re-licensed as closed-source/commercial. Previous code taken down.

Commercial users pay $99/year, free for personal use but each user has to make a free account after a trial period.