PyOCR
PyOCR is an optical character recognition (OCR) tool wrapper for python. That is, it helps using various OCR tools from a Python program. It has been tested only on GNU/Linux systems. It should also work on similar systems (*BSD, etc). It may or may not work on Windows, MacOSX, etc.
Supported OCR tools
Libtesseract (Python bindings for the C API) Tesseract (wrapper: fork + exec) Cuneiform (wrapper: fork + exec)