Scilab is recommended for engineers, scientists, and educators who require a powerful computational tool without the associated costs of commercial software. It is also suitable for students and researchers who are looking to perform complex mathematical modeling and simulations.
KNIME - KNIME, the open platform for your data.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
JASP - JASP, a low fat alternative to SPSS, a delicious alternative to R.
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.
RapidMiner - RapidMiner is a software platform for data science teams that unites data prep, machine learning, and predictive model deployment.
GNU Octave - GNU Octave is a programming language for scientific computing.