[http://vpython.org VPython] - 3D Programming for Ordinary Mortals
[http://pages.cpsc.ucalgary.ca/~aycock/spark SPARK] - SPARK: Scanning, Parsing, and Rewriting Kit
[http://www.lemburg.com/files/python/mxTextTools.html mxTextTools] - Fast Text Manipulation Tools for Python
[http://simpleparse.sourceforge.net SimpleParser] - SimpleParse A Parser Generator for mxTextTools v2.0.0
[http://www.alcyone.com/pyos/chess Chess] - A chess adjudicator module
[http://nltk.sourceforge.net NLTK] - Natural Language Toolkit
[http://epydoc.sourceforge.net epydoc] - API documentation generator for Python modules