R Lang - R is a free software environment for statistical computing and graphics.

GNU Octave - GNU Octave is a programming language for scientific computing.

AMPL - A mathematical programming Library (AMPL).

MATLAB - A high-level language and interactive environment for numerical computation, visualization, and programming

Xcos - Xcos is a graphical editor to design hybrid dynamical systems models.

QtOctave - QtOctave: a front-end for Octave/un Front-End para Octave