Yes. It is 555-WHOAMI

There is a gui for aria2. It is called Persepolis

It is Kontact because it is KDE.

Which one ? The antivirus definition update or the change Administrator password?

You are right, stand corrected.

Integrated Development Environment (IDE) from the makers of Atom. It is written in rust.

Have a look at miller

My problem with matrix is that you need email address to use it. Compared to the irc, where you could just use whatever name and ask questions straight away. Most distros I used came with an irc client preinstalled and preconfigured to connect to the support channel when launched. In my opinion that is more beginner friendly.

It is on the FlatHub as well.