Google-ai-challenge is a project mainly written in JAVA and PYTHON, it's free.
An entry for the google ai challenge (http://ai-contest.com/)
The files in this package are modified from the starter package for python from the Google AI Challenge. The Google AI Challenge is an Artificial Intelligence programming contest. You can get more information by visiting www.ai-contest.com.
The entire contents of this starter package are released under the Apache license as is all code related to the Google AI Challenge. See http://code.google.com/p/ai-contest/ for more details.
There are a bunch of tutorials on the ai-contest.com website that tell you what to do with the contents of this starter package. For the impatient, here is a brief summary.