JASP - JASP, a low fat alternative to SPSS, a delicious alternative to R.
MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming
RStudio - RStudio™ is a new integrated development environment (IDE) for R.
GNU Octave - GNU Octave is a programming language for scientific computing.
Statista - The Statistics Portal for Market Data, Market Research and Market Studies
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.