Statsmodels: statistical modeling and econometrics in Python
created at June 12, 2011, 5:04 p.m.
Zipline, a Pythonic Algorithmic Trading Library
created at Oct. 19, 2012, 3:50 p.m.
A lightweight library for converting complex objects to and from simple Python datatypes.
created at Nov. 10, 2013, 9:32 p.m.
https://django-storages.readthedocs.io/
created at Dec. 9, 2014, 12:37 a.m.