From Newsgroup: comp.os.linux.advocacy

<https://www.theverge.com/tech/909975/little-snitch-linux-launch>:

The popular macOS app Little Snitch brought its network-monitoring
tools over to Linux this week. In a blog post announcing the
launch, one of the developers at Objective Development shared some
early results from using the app on Linux: “On Ubuntu, I found 9
system processes making internet connections over the course of
one week. On macOS, we counted more than 100.”

And while

According to Objective Development, Linux doesn’t automatically
make apps more private — for instance, they found Firefox, which
is pre-installed on Ubuntu, connecting to many different servers.

nevertheless

They added

“Each app behaves more or less the same way on all supported
platforms. If you install Thunderbird, Visual Studio Code or
any other major player, expect the same kind of metrics you
see on other platforms. I found one notable exception, though:
LibreOffice. I started LibreOffice Writer just for testing,
and it made no network connections at all! Quite unusual these
days!”

Not unique among open-source apps, though.
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