del.icio.us/scuttle in python
VisiData is an open-source multitool for interacting with tabular data from within the terminal. It's great for investigative journalists, data scientists, unix command-line users, and anyone else who wants to quickly look at or manipulate data.
PyGoWave is the next generation communication platform for the web coded in Python. It is similar to its big brother Google Wave and aims to be a comparable and compatible alternative.
Nuitka is a Python compiler.
PyF is a python open source framework and platform dedicated to large data processing, mining, transforming, reporting and more.