"FreeMat - Home". freemat.sourceforge.net. Retrieved 2009-01-25. http://freemat.sourceforge.net/
"Berkeley Science Books - Freemat and Octave". berkeleyscience.com. Retrieved 2009-01-25. http://berkeleyscience.com/freemat.htm
It also features an intuitive GUI that is similar to that used in Matlab.
"FreeMat - LinuxLinks News". www.linuxlinks.com. Retrieved 2009-01-25. http://www.linuxlinks.com/article/20080808050417963/FreeMat.html