I am very new to linux and all the open source stuff (my first post on lemmy actually) so I don’t get how this stuff works but flathub is saying that floorp is proprietary. But after a quick google search it says that floorp is open source licensed under MPL 2.0
It’s mpl 2.0
https://github.com/Floorp-Projects/Floorp?tab=License-1-ov-file#readme