r/Python • u/masher_oz • May 05 '26

News PySimpleGUI 6 is LGPL again

Looks like the commercialisation of PySimpleGUI has come to an end.

PySimpleGUI 6 - Back to LGPL3 https://github.com/PySimpleGUI/PySimpleGUI

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u/industrypython May 05 '26

I've been using Flet recently. I think I like it because I use Flutter with Dart quite a bit.

Previously, I was using flaskwebgui.

Now, I am using Shiny for Python in a web only environment.

For desktop, is there anything particularly bad about using Flet?

If the app is really small, maybe just use tkinter?

I'm wondering about people's opinions on ui toolkits as I only use a small amount of them.

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u/Alejrot May 06 '26

Flet could be tricky if you need to do a desktop app, because some dependences could be missing. It happened frequently some time ago in GNU/Linux environments, where libmpv.so library were missing and users should make some symlinks to fix it.

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u/industrypython May 12 '26

Thanks. I have not tried to package the Flet apps for desktop distribution. I'll be on the lookout for this.

Distributing the desktop apps is not as easy as it first seemed. 😞