scikit-learn – extends SciPy with a host of machine learning models (classification, clustering, regression, etc.).SciPy – Python library for scientific computing that contains the stats sub-package which is partly based on the venerable |STAT (a.k.a.
Scilab – uses GPL-compatible CeCILL license.
Salstat – menu-driven statistics software.ROOT – an open-source C++ system for data storage, processing and analysis, developed by CERN and used to find the Higgs boson.RStudio – GUI interface and development environment for R.Revolution Analytics – production-grade software for the enterprise big data analytics.