The origin of suffering lies in the use of not-Python. :-)
Latest download - Relationship Manager for .NET
I have developed a rudimentary book-marking plug-in for IDLE, plus I host other plug-ins for IDLE. See IDLE Plug-ins
I use Python examples for many of my design patterns.
My latest tool is a python code reverse engineering utility and UML modelling tool - PyNSource. See picture below.
I am currently developing a commercial game in Python, using Extreme Programming and unit testing technology. 700 unit tests and rising!