Found a nifty GUI package installer that also has plugins for Flatpack and Snap.
It doesn't show every available package like Synaptic or Add/Remove does, but ti does break everything into Categories. It is not quite as polished as KDE's Discover, but it is an interesting way to find things. Curious if anyone uses Gnome-Software and what their opinion of it might be.
It doesn't pull in many depends when installed;Description: Software Center for GNOME
Software lets you install and update applications and system extensions.
Software uses a plugin architecture to separate the frontend from the
technologies that are used underneath. Currently, a PackageKit plugin provides
data from a number of traditional packaging systems, such as rpm or apt. An
appdata plugin provides additional metadata from locally installed data in the
Installed-Size: 6,768 kB Depends: appstream, apt-config-icons, gnome-software-common (= 3.38.1-1), gsettings-desktop-schemas (>= 3.18), libgtk3-perl, packagekit (>= 1.1.11), software-properties-gtk, dconf-gsettings-backend | gsettings-backend, libappstream-glib8 (>= 0.7.18), libatk1.0-0 (>= 1.12.4), libc6 (>= 2.29), libcairo2 (>= 1.2.4), libfwupd2 (>= 1.4.5), libgdk-pixbuf-2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.61.2), libgspell-1-2 (>= 1.8.2), libgtk-3-0 (>= 3.22.29), libgudev-1.0-0 (>= 146), libjson-glib-1.0-0 (>= 1.5.2), libmalcontent-0-0 (>= 0.6.0), libpackagekit-glib2-18 (>= 1.1.0), libpolkit-gobject-1-0 (>= 0.99), libsoup2.4-1 (>= 2.52.0), libxmlb1 (>= 0.1.7) Recommends: fwupd Suggests: apt-config-icons-hidpi, gnome-software-plugin-flatpak, gnome-software-plugin-snap