Spampoison (Popularity: )
http://www.spampoison.com/ Website set up to deliver almost infinite numbers of bogus email addresses to email harvesting bots.
Spanish Honeynet Project (Popularity: )
http://www.honeynet.org.es Independent non-profit research organization of security professionals dedicated to information security focused on honeynet technologies.
spank (Popularity: )
http://spank.sourceforge.net/ A collection of programs to deploy, run and analyse network and host simulations in IP networks.