deborphan

Display orphan packages on operating systems using the APT package manager. More information: https://manpages.debian.org/latest/deborphan/deborphan.html.

• Display library packages (from the "libs" section of the package repository) which are not required by another package:

deborphan

• List orphan packages from the "libs" section as well as orphan packages that have a name that looks like a library name:

deborphan --guess-all

• Find packages which are only recommended or suggested (but not required) by another package:

deborphan --nice-mode