Simple Widgets

  Label | Label widget with state option, dynamic help and drag and drop facilities
  Entry | Entry widget with state option, dynamic help and drag and drop facilities
  Button | Button widget with enhanced options
  ArrowButton | Button widget with an arrow shape.
  ProgressBar | Progress indicator widget
  ScrollView | Display the visible area of a scrolled window
  Separator | 3D separator widget

Manager Widgets

  MainFrame | Manage toplevel with menu, toolbar and statusbar
  LabelFrame | Frame with a Label
  TitleFrame | Frame with a title (consider Tk 8.4+ labelframe instead)
  PanelFrame | Frame with a boxed title area
  ScrolledWindow | Generic scrolled widget
  ScrollableFrame | Scrollable frame containing widget
  PanedWindow | Tiled layout manager widget (consider Tk 8.4+ panedwindow instead)
  ButtonBox | Set of buttons with horizontal or vertical layout
  PagesManager | Pages manager widget
  NoteBook | Notebook manager widget
  Dialog | Dialog abstraction with custom buttons
  StatusBar | Status bar widget with resize control

Composite Widgets

  LabelEntry | LabelFrame containing an Entry widget.
  ComboBox | ComboBox widget
  SpinBox | SpinBox widget (consider Tk 8.4+ spinbox instead)
  Tree | Tree widget
  ListBox | ListBox widget
  MessageDlg | Message dialog box
  ProgressDlg | Progress indicator dialog box
  PasswdDlg | Login/Password dialog box
  SelectFont | Font selection widget
  SelectColor | Color selection widget

Commands Classes

  Widget | The Widget base class
  DynamicHelp | Provide help to Tk widget or BWidget
  DragSite | Commands set for Drag facilities
  DropSite | Commands set for Drop facilities
  BWidget | Description text