1. Recipe collection

This is a collection of general Tkinter recipes not widgets

WidgetWalker : Want to visit all widgets in a container? WidgetWalker is for you!
EntryField : How to use an ?Entry Widget and ?StringVar.
UsingTile : A themed version of Tk.
MaximizedWindow : How to maximize a window.
?WrappingTclWidgets : A step by step guide to wrapping pure Tcl widgets.
Validating Entry Widget Here's a ValidateEntry Field, that shows how to validate entries.
Tkinter Scrollbar Patterns.
Generating Tkinter User Interfaces from XML.
Scrolling Huge Lists (uses the WidgetConstructionKit).
Using Event Trackers to Simplify Tool Implementation.
Using Complex Numbers to Rotate Canvas Items.