Signal works on Linux?

flathub.org/en/apps/org.signal.Signal

WhatsApp has a non official client

flathub.org/en/apps/com.ktechpit.whatsie

I don’t use Roblox but it seems to have a working workaround for Linux

sober.vinegarhq.org

I would argue that Linux is a lot more customizable than windows, and can be a lot faster and more stable than either windows or MacOS.

I personally don’t like Ubuntu and am pretty content on Fedora after a decade of distro hopping