18.1 Frameworks; somewhat harder to document, but well worth the effort

Tkinter.py
-- Interface to Tcl/Tk for graphical user interfaces; Fredrik Lundh is working on this one!

Tkdnd.py
-- Drag-and-drop support for Tkinter.

CGIHTTPServer.py
-- CGI-savvy HTTP Server

SimpleHTTPServer.py
-- Simple HTTP Server

test
-- Regression testing framework. This is used for the Python regression test, but is useful for other Python libraries as well. This is a package rather than a module.