Synaptic is a graphical package management program for apt. It provides the same features as the apt-get command line utility with a GUI front-end based on Gtk+.

• Install, remove, upgrade and downgrade single and multiple packages.
• Upgrade your whole system.
• Manage package repositories (sources.list).
• Find packages by name, description and several other attributes.
• Select packages by status, section, name or a custom filter.
• Sort packages by name, status, size or version.
• Browse all available online documentation related to a package.
• Download the latest changelog of a package.
• Lock packages to the current version.
• Force the installation of a specifc package version.
• Undo/Redo of selections.