Jabarkan PSPP – Gantiné SPSS dari Pratélaning pak statistik dalam bahasa jawa

R – A free implementation of the S language.

R Commander – GUI interface for R

RapidMiner, a machine learning toolbox

Rattle GUI – GUI interface for R

Scilab – uses GPL compatible CeCILL license

Statsmodels - a scikits for statistics and econometrics, written in Python based on numpy and scipy

SciPy (a Python library for scientific computing) contains the stats sub-package which is partly based on the venerable |STAT (a.k.a PipeStat, formerly UNIX|STAT) software

Shogun, an open source Large Scale Machine Learning toolbox that provides several SVM (Support Vector Machine) implementations (like libSVM, SVMlight) under a common framework and interfaces to Octave, Matlab, Python, R

Simfit – Simulation, curve fitting, statistics, and plotting