anygui
The goal of this project is to create an easy-to-use, simple, and generic module for making graphical user interfaces in Python. [Open Source, MIT license]
url: sourceforge.net/projects/anygui
FXPy
Provides an interface to the FOX GUI library. [Open Source, LGPL]
url: fxpy.sourceforge.net/
glc
Python generator for Glade.
url: glc.sourceforge.net/
Pmw
Python meta widgets is a toolkit for building high-level compound widgets in Python using the Tkinter module. [Open Source, MIT license]
url: pmw.sourceforge.net/
PyGTK
Python bindings for the GTK widget set. [Open Source, LGPL]
url: www.daa.com.au/~james/software/pygtk/
PyKDE
Python bindings for the KDE desktop environment. [Open Source, BSD-like]
url: www.riverbankcomputing.co.uk/pykde/index.php
PyQt
Contains Python bindings for the Qt GUI toolkit. [Open Source, BSD-like]
url: www.riverbankcomputing.co.uk/pyqt/index.php
Python X Library
Pure Python interface to X Window system. [Open Source, GPL]
url: python-xlib.sourceforge.net/
PythonCard
A software construction kit built in, and using, Python. Its purpose is to allow you to easily and quickly build graphical applications. [Open Source, Python license]
url: pythoncard.sourceforge.net/
SpecTix GUI Builder
SpecTix provides a development environment to build applications with graphical user interfaces that run on multiple platforms with multiple languages, including Tcl, Python and Ruby.
url: starship.python.net/crew/mike/Tide/Spectix/Spectix...
Tix
The Tk Interface eXtension is a set of GUI components that enhance the appearance and functionality of your Tkinter applications. [Open Source, BSD-like]
url: tix.sourceforge.net/
Tix Applications Framework
Tixapps applications are a suite of development applications that run with Tk/Tcl or Python using the Tix widget set. Applications currently included are: tixinspect - an inspector for Tix/Tk applications; tixdebug - a debugger to work with tixinspect; and tixinfo - an info browser for GNU documentation.
url: tix.sourceforge.net/Tixapps/
Tkinter3000 Widget Construction Kit
Tkinter3000 is a Widget Construction Kit that allows you to write new Tkinter widgets in Python using Mixins. [Open Source, BSD-like]
url: effbot.org/tkinter/index.htm
wxPython
A popular cross-platform Python GUI toolkit for Windows and Unix with native look and feel on each platform. [Open Source, LGPL]
url: www.wxpython.org/
xdialog
A wrapper for the Xdialog program that encapsulates the details of calling Xdialog and getting return values. [Open Source, LGPL]
url: www.chrisarndt.de/en/software/python/#xdialog