- GtkAdjustment - A GtkObject representing an adjustable bounded value
- GtkArrow - produces an arrow pointing in one of the four cardinal directions.
- GtkCalendar - display a calendar and/or allow the user to select a date.
- GtkDrawingArea - a widget for custom user interface elements.
- GtkEventBox - a widget used to catch events for widgets which do not have their own window.
- GtkHandleBox - a widget for detachable window portions.
- GtkIMContextSimple - An input method context supporting table-based input methods
- GtkIMMulticontext - An input method context supporting multiple, loadable input methods
- GtkSizeGroup - Grouping widgets so they request the same size
- GtkTooltips - Add tips to your widgets.
- GtkViewport - An adapter which makes widgets scrollable
- GtkAccessible - Accessibility support for widgets
