Pandas: http://pandas.pydata.org/ and http://github.com/pydata/pandas
XlsxWriter: http://xlsxwriter.readthedocs.org and http://github.com/jmcnamara/XlsxWriter
Vincent: http://vincent.readthedocs.org and http://github.com/wrobstory/vincent
GitHub: The source code for this document and the example programs used to create it http://github.com/jmcnamara/pandas_xlsxwriter_charts
If you would like to donate to the XlsxWriter project to keep it active you can do so via PayPal.