Freemium

Wolfram Alpha is a computational knowledge engine or answer engine developed by Wolfram Research.

Commercial

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

Maxima

Open Source

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

Julia

Open Source

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

fxSolver

Free

fxSolver is a math solver for engineering and scientific equations.

GMDH Shell

Commercial

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

IBM SPSS Statistics

Commercial

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

Freemat

Open Source

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

R (programming language)

Open Source

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

Sage

Open Source

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

wxMaxima

Open Source

Maxima is a computer algebra system based on a version of Macsyma.

Spyder

Open Source

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

SymPy

Open Source

SymPy is a Python library for symbolic computation. It provides computer algebra capabilities either as a standalone application, as a library to other applic…