Magot is a cross-platform personal finance manager written in Python. A check-book like register GUI allows you to enter transactions and track bank accounts, incomes and expenses. It's based on formal accounting principles, PEAK and WxPython.
yapa-accounting, yet another pointless acronym, is an easy to use, easy to customize accounting software for small businesses. Back-end written in C++ utilizing the SOCI sql-library and front-end written in python and gtk+
Tim Peters' FixedPoint.py
+ Write docs for the Library Reference manual. I expect the existing
module docstring will be a good start.
+ Create a test driver for Python's regression suite.
+ Have fun modernizing it, if you like (for example,