gnome-packagekit 3.8.2-4ubuntu1 (amd64 binary) in ubuntu trusty

 PackageKit allows performing simple software management tasks over a DBus
 interface e.g. refreshing the cache, updating, installing and removing
 software packages or searching for multimedia codecs and file handlers.
 .
 This package contains a GTK+ based application for software installation
 and removal, as well as an application to view system updates based
 on PackageKit.