Marco van Hulten <marco@hulten.org> writes:

> I installed ungoogled-chromium.  When it starts and I browse to the
> main Jitsi instance [1], it wants to install the extension for Google
> Calendar and Office 365 integration.  I don't know if those are
> non-free softwares, but they at least provide non-free web services.

Are you suggesting that ungoogled-chromium inserts the ad[0] into the
meet.jit.si web page?  I have never seen that banner before, and can not
find any references to meet.jit.si in the ungoogled-chromium source code.

[0] Search for <div class="chrome-extension-banner"> in the HTML.