You may be interested in http://caae.phil.cmu.edu/picola/current.html http://caae.phil.cmu.edu/picola/current.html http://caae.phil.cmu.edu/picola/ http://caae.

You may be interested in http://caae.phil.cmu.edu/picola/current.html http://caae.phil.cmu.edu/picola/current.html http://caae.phil.cmu.edu/picola/ http://caae.phil.cmu.edu/picola/ . I'm not too familiar with it and i don't think it automatically splits people into groups but it was created with Fishkin's Deliberative Polling in mind.