GuqLyr

For a Fairphone, the USB-C is easily replacable though in case it goes wrong: https://shop.fairphone.com/nl/shop/fairphone-5-usb-c-port-26...

You can lower the video quality in the bottom right menu. You can even limit your own camera's capture resolution, for example #config.constraints.video.height.max=360 . See https://github.com/jitsi/jitsi-meet/blob/master/config.js for all the options.

You can override configuration options by appending `#config.optionname=value` to the meeting url in a fresh new browser tab

Looks like Zoom is discussed in Lecture 18: https://web.stanford.edu/class/cs253/lectures/Lecture%2018.p...

In Linux, it's harder, because there's no way (that I know) to control network access by process.

What about https://github.com/gustavo-iniguez-goya/opensnitch ?

Where they generate your private key :(. I rather let them sign my own key