Montecarlito - MonteCarlito is a free Excel-add-in to do Monte-Carlo-simulations.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
GNU Octave - GNU Octave is a programming language for scientific computing.
IBM ILOG CPLEX Optimization Studio - IBM ILOG CPLEX Optimization Studio is an easy-to-use, affordable data analytics solution for businesses of all sizes who want to optimize their operations.
Wolfram Mathematica - Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.