Unofficial repository with Waterfox Web Browser packages for Ubuntu, Debian (deb), Arch Linux (pkg.tar.xz), Fedora, CentOS 7, Alma, Rocky and openSUSE (rpm) and AppImage packages for all distros following with CentOS 7.
Why do you think that https://github.com/dapgo/Menu4multiple_Webrowsers is a good alternative to waterfox-deb-rpm-arch-AppImage