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.

Mathcad is software for the verification, validation, documentation and re-use of engineering calculations.

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

Sage offers business management, bookkeeping & accounting software to meet any business need, from small to midsized businesses.

Spyder is the Scientific PYthon Development EnviRonment: a powerful interactive development environment for the Python language with advanced editing.

fxSolver is a math solver for engineering and scientific equations.

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

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

R is an open source programming language and software environment for statistical computing and graphics that is supported by the R Foundation.

SPSS Statistics is a software package used for logical batched and non-batched statistical analysis.

Swift Calcs enables users to effortlessly create and collaborate on interactive computational documents, from any device.