Latest stable version: Source, version 136.5, zip archive, *.m files DOWNLOAD
Legacy version: (this will give you some errors in MATLAB version above R2015)
Source, version 135, zip archive *.m files. DOWNLOAD
Per default, use the latest version as the older versions will not be fully supported. Additionally, there is usually a reason for the newer versions, check out the code developments page.
CONDITIONS OF USE
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public license as published by the Free Software Foundation; either version 2 of the license, or (at your opinion) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.