FreeMat is a free environment for rapid engineering and scientific prototyping and data processing.

GMDH Shell is an advanced but easy to use tool for predictive analytics and data mining.

gnuplot is a command-line program that can generate two- and three-dimensional plots of functions, data, and data fits.

Wolfram Mathematica (usually termed Mathematica, Mathematica software suite) is a mathematical symbolic computation program.

Maxima is a fairly complete computer algebra system written in Lisp with an emphasis on symbolic computation.

Orange is an open source machine learning and data visualization software.

fxSolver is a math solver for engineering and scientific equations.

GNU Octave is a programming language for scientific computing.

Julia is a high-level, high-performance dynamic programming language for numerical computing.

Matplotlib is a plotting library for the Python programming language and its numerical mathematics extension NumPy.

Microsoft Mathematics (Microsoft Math) is a freely downloadable educational program, designed for Microsoft Windows, that allows users to solve math and scien…

Python(x,y) is a free scientific and engineering development software for numerical computations, data analysis and data visualization based on Python.