Zocalo Exp 2011.1 is available as a free download on our software library. The program lies within Business Tools, more precisely General. The most popular version of the Zocalo Exp 2011.1. This free tool was originally developed by Chris Hibbert.
From the developer:
Zocalo is a toolkit for building prediction markets, markets in securities that pay out depending on outcomes of future events. They provide estimates of the likelihood of specific outcomes that are more reliable than other sources of predictions. The Zocalo Project Lead is Chris Hibbert.
You may want to check out more software, such as EXP Viewer, EXP or Risingware Exp+, which might be similar to Zocalo Exp.