MATLAB

MATLAB is a numerical computing environment and programming language.

Commercial Mac OS X Windows Linux

GNU Octave

octave is a computer program for performing numerical computations which is mostly compatible with matlab. it is part of the gnu project.

Free Open Source Mac OS X Windows Linux BSD

Mathematica

Mathematica is a computational software program used widely in scientific, engineering, and mathematical fields and other areas of technical computing.

Commercial Mac OS X Windows Linux Web

Scilab

Scilab is a scientific software package for numerical computations providing a powerful open computing environment for engineering and scientific applications.

Free Open Source Mac OS X Windows Linux

scipy numpy

SciPy (pronounced "Sigh Pie") is open-source software for mathematics, science, and engineering. It is also the name of a very popular conference on scientific programming with Python.

Free Open Source Mac OS X Windows Linux

Julia

Julia is a high-level, high-performance dynamic programming language for technical computing, with syntax that is familiar to users of other technical computing environments.

Free Open Source Mac OS X Windows Linux