For Android there is Techmino, though it isn’t on the Play Store and instead you download it from the project’s github. https://github.com/26F-Studio/Techmino

Fun fact, you don’t even buy the rights to the link. You can make an infinite amount of NFTs that go to the same link. It is a common scam tactic to try and sell duplicated NFTs.

It says “feature,” not that every call has to be a video call, its just that they need to have it as an option available.

Linux is quite a spectrum, I wonder what Desktop Environments they use like KDE or Gnome.