This is NetBunch, the collection of software for network analysis
accompanying the book:

  "Complex Networks: Principles, Methods and Application"
  V. Latora, V. Nicosia, G. Russo, Cambridge University
  Press (2017), ISBN: 9781107103184
  https://www.cambridge.org/9781107103184

NetBunch includes all the programs implementing the algorithms
described in the Appendices of the book, and several more. If you use
a program included in NetBunch, please add a citation to the textbook
above and to the relevant References indicated in the corresponding
source files.