KNIME?
It is " Konstanz Information Miner"
See links below
https://www.knime.org/knime
http://www.inf.uni-konstanz.de/bioml2/publications/Papers2007/BCDG+07_knime_gfkl.pdf
http://tech.knime.org/installation-0
Easy to use and documentation is perfect for a new user.
