Gephi, Netlogo, Pajek, JUNG, neo4j for Social Networks Analysis.
Weka, Rapid Miner (open source version), KNIME, Rattle, NLTK, Orange, Scikit-learn, LIBSVM, R, Matlab (commercial) etc.
OpenCV, Octave, ImageJ, Scilab, OSSIM, Matlab (commercial).
PRTools,, SVM, LIBSVM.
