What is Gnome Do? GNOME Do (Do) is an intelligent launcher tool that allows users to use the keyboard to rapidly perform tasks such as launching applications, manipulating files and data, running scripts, or sending e-mail. It is similar to the applications GNOME Launch Box (Linux Gnome), KRunner (Linux KDE), Quicksilver (Mac OS X), LaunchBar (Mac OS X) and Butler (Mac OS X). What is Gnome Do – Docky? Gnome Do – Docky is a nice frontend for GNOME Do (Do) which introduces an entirely new way to use Gnome Do.