The library for Social Network Analysis

libSNA is an open-source library for Social Network Analysis, licensed under the LGPL. This library is under active development by Abe Usher in hopes that it will serve as a catalyst for improving the field of Social Network Analysis.


  • Easy to use Python API
  • Flexible data import options
  • Scalable
  • Built-in reports
  • Built-in data export capabilities
  • Open source - easily extended
  • Fast processing time (efficient use of graph algorithms)

libSNA 0.32 released
August 1st, 2008
Numerous optmizations for calculating maximal cliques, processing graphviz dot files, and writing graphics to .jpg format.

libSNA version 0.3.1 available
January 23rd, 2007
libSNA 0.3.1 is now publicly available. It includes a bugfix for exporting data to graphML format, and also includes the new feature of creating network graph diagrams using graphviz and pydot.

libSNA publicly released
December 11th, 2006
libSNA is now available to the general public. Please Digg this story.