##Visualization

1. matplotlib  
matplotlib is a python 2D plotting library which produces publication quality figures in a variety of hardcopy formats and interactive environments across platforms.  
Project Source: https://github.com/matplotlib/matplotlib  
Project Homepage: http://matplotlib.org/

1. vincent  
Python to vega translator, built for making visualizations with D3.js.  
Project Source: https://github.com/wrobstory/vincent  
Project Documentation: https://vincent.readthedocs.org/en/latest/

1. d3py  
A plottling library for python, based on D3.  
Project Source: https://github.com/mikedewar/d3py  

1. seaborn    
Seaborn is a Python visualization library based on matplotlib. It provides a high-level interface for drawing attractive statistical graphics.   
Project Source: https://github.com/mwaskom/seaborn   
Project Homepage: http://stanford.edu/~mwaskom/software/seaborn/

1. prettyplotlib   
Python matplotlib-enhancer library which painlessly creates beautiful default matplotlib plots.   
Project Source: https://github.com/olgabot/prettyplotlib   
Project Homepage: http://olgabot.github.io/prettyplotlib/  

1. pygal  
pygal is a dynamic SVG charting library written in python.  
Project Source: https://github.com/Kozea/pygal  
Project Documentation: http://pygal.org/