GtkAdjustment — A GtkObject representing an adjustable bounded value
GtkArrow — Displays an arrow
GtkCalendar — Displays a calendar and allows 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