PyTesser 
http://code.google.com/p/pytesser/

This package contains the Tesseract Open Source OCR Engine.
http://code.google.com/p/tesseract-ocr/
Orignally developed at Hewlett Packard Laboratories Bristol and
at Hewlett Packard Co, Greeley Colorado, all the code
in this distribution is now licensed under the Apache License:

