- GtkUIManager — Constructing menus and toolbars from an XML description
- GtkActionGroup — A group of actions
- GtkAction — An action which can be triggered by a menu or toolbar item
- GtkToggleAction — An action which can be toggled between two states
- GtkRadioAction — An action of which only one in a group can be active
- GtkRecentAction — An action of which represents a list of recently used files
- GtkActivatable — An interface for activatable widgets