gdebi 0.9.5.7+nmu3 (amd64 binary) in ubuntu focal

 gdebi lets you install local deb packages resolving and installing
 its dependencies. apt does the same, but only for remote (http, ftp)
 located packages.
 .
 The package is also scanned via lintian before the install and its
 possible to inspect the control and data members of the packages.
 .
 This package contains the graphical user interface.