The RSiena project at R-Forge.
To allow quick access to new versions of RSiena without bothering
too much the maintainers of the R archive, current and beta
versions are listed at R-Forge.
The StOCNET program
which can be used as a user-friendly shell from which to
run SIENA, and which contains also various other
modules for the statistical analysis of network data:
http://www.gmw.rug.nl/~stocnet/StOCNET.htm
statnet, an R package for the representation, visualization, analysis
and simulation of social network data, including Exponential Random Graph Models:
http://csde.washington.edu/statnet/
MelNet, a site at the University of Melbourne
dedicated to social network theory, method and analysis using Exponential
Random Graph (p*) models for social networks:
http://www.sna.unimelb.edu.au/
Research program Dynamics of Actors and Networks across Levels:
Individuals, Groups, Organizations, and Social Settingshttp://stat.gamma.rug.nl/ECRP-DANL/
Nuffield College, the college at the University of
Oxford where Ruth Ripley, Johan Koskinen, and Tom Snijders are working: http://www.nuffield.ox.ac.uk/
Research center and graduate school ICS,
where Christian Steglich and Tom Snijders (part-time) are working, and where
much of the scientific work on SIENA has taken place: http://www.ics-graduateschool.nl/