SoXt is released publicly under the GNU General Public License, version 2. See the file LICENSE.GPL for all the details. A Professional Edition License can also be purchased for the SoXt library from Kongsberg Oil & Gas Technologies. The benefits of this includes first-tier support access to our developers, and the permission to use SoXt in any product for any purpose (except constructing a directly competing product with SoXt itself). See for more information, or mail us at .