matta is my free (as in speech) library to be used within the IPython notebook. The idea is to have a bridge between typical data structures in Python (like networkx's graph and pandas DataFrames) to be visualized directly into the notebook using
You can see some basic examples in this IPython notebook. But you can also build cooler stuff like this map of Santiago (playing with the public transport system Transantiago Origin/Destiny matrix):
Or this one (playing with Magic: The Gathering tournament results, an on-going project with Alonso Astroza):
All of this using only code within the IPython notebook! You can see the code at github.