Octave

Downloads for GNU Octave. Needed if you don’t have MATLAB.
Windows
Octave package for Windows XP/Vista/7/8
macOS
Octave 3.4 package for macOS 10.6 and 10.7 (for 10.8 or later, install Octave via Homebrew: https://brew.sh/)
GNU/Linux
GNU/Linux users should download Octave from their package manager. Octave is packaged in many distributions: Debian, Ubuntu, Fedora, Gentoo…