4.2 / June 30, 2013
|Written in||Assembly language, C, C++, Fortran, Qt|
|Operating system||Cross-platform (Linux, macOS, Windows)|
|License||GPL, older: MIT|
FreeMat is a free open-source numerical computing environment and programming language, similar to MATLAB and GNU Octave. In addition to supporting many MATLAB functions and some IDL functionality, it features a codeless interface to external C, C++, and Fortran code, further parallel distributed algorithm development (via MPI), and has plotting and 3D visualization capabilities. Community support takes place in moderated Google Groups.