Python is a high level programming language that aims to combine remarkable power with very clear syntax. Anaconda is a free cross-platform Python distribution from Continuum Analytics . It comes built in with various scientific Python packages such as NumPy, SciPy, Pandas, Matplotlib, Numba, etc.
R is a language and environment for statistical computing and graphics. R provides a wide variety of statistical (linear and nonlinear modelling, classical statistical tests, time-series analysis, classification, clustering, ...) and graphical techniques, and is highly extensible. The S language is often the vehicle of choice for research in statistical methodology, and R provides an Open Source route to participation in that activity.
Note: Due to lack of use, this software module has been disabled and will be removed from MSI systems on 12/21/17. If you need this software, please contact email@example.com . DAKOTA (Design Analysis Kit for Optimization and Terascale Applications) is a general purpose software toolkit written in C++. It is designed and developed at the Sandia National Laboratories. DAKOTA contains algorithms for optimization with gradient and nongradient-based methods; uncertainty quantification with sampling, reliability, and stochastic finite element methods; parameter estimation with nonlinear least...
Note: MSI's SAS license will permanently expire on 10/29/17, after which the software will no longer be available. SAS is a scalable, integrated software environment and a flexible and extensible programming language designed for data access, data manipulation, and data analysis. It offers data management and predictive analytic capabilities, data mining process, drug discovery solutions, and much more.
From the GNU website: "The GNU Scientific Library (GSL) is a numerical library for C and C++ programmers. It is free software under the GNU General Public License. The library provides a wide range of mathematical routines such as random number generators, special functions and least-squares fitting. There are over 1000 functions in total with an extensive test suite."