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.
Although rug-pulls like this are dubious to say the least, neither should FOSS contributors be hauled over the coals simply because, to justify continuing to commit more and more time to a project. they need to generate some kind of revenue. If more FOSS advocates donated reasonable amounts of money to the projects they use, this kind of bollocks would be much less frequent, and the long term stability of projects would increase dramatically. Sadly, way to many people donate nothing. And way too many companies, as well.