It uses igraph for plotting network graphics and shiny to make an interactive interface.
An example is avalable here:
- http://www.ahschulz.de/2012/11/20/interactive-visualizations-with-shiny
- http://glimmer.rstudio.com/ahschulz/enron_emails/
This file does not include the data itself (too big). It can be downloaded via http://www.ahschulz.de/enron-email-data/