Paperwork is a GUI to make papers easily searchable using OCR.
The basic idea behind Paperwork is "scan & forget" : You should be able to just scan a new document and forget about it until the day you need it again.
Pyinsane is a pure Python implementation of the Sane API (using ctypes) and abstraction layer. It works with Python 2.7 and Python 3.x, and requires Pillow.
A C library for sending email with attachments.
A library designed for MPEG TS and DVB PSI tables decoding and generation.