Ninite - Ninite is the easiest way to install software.
GDebi - GDebi lets you install local deb packages resolving and installing its dependencies.
GNOME Software - A application for installing apps and updates.
DEBiTool - It is a small tool which lets you install a deb package from your local disk, and reinstall or remove it as well.
Synaptic - Please take a minute to watch our video, it gives an overview of Synaptic's role in financial services.
Ketarin - Ketarin is a small application which automatically updates and optionally installs setup packages...