I use EndeavourOS Xfce because it’s Arch with pacman and not Flathub or Snap. Plus, I love the simplicity and the performance boost you get with Xfce (even if it’s a small boost with a modern gaming PC).

I second EndeavourOS. It’s so good!

They force you to give them your phone number. No phone number = not allowed to use Signal. Plus, Signal uses servers from Big Tech (just search for it on reddit).

XMPP (mainly Snikket) is the best lightweight option.

Because Signal does not fully respect your privacy.