This is a dual-license release of the Pleasant3D plugins source code. Pleasant3D is (C) 2010 Pleasant Software, Germany. http://www.pleasantsoftware.com License information can be found in these files: - For GPL (free) distributions, see the COPYING file. - For commercial distributions, see below Pleasant3D Commercial License for OEMs, ISVs and VARs Pleasant Software provides its Pleasant3D plugins (such as tools and printer drivers) under a dual license model designed to meet the development and distribution needs of both commercial distributors (such as OEMs, ISVs and VARs) and open source projects. For OEMs, ISVs, VARs and Other Distributors of Commercial Applications: OEMs, ISVs, VARs and other distributors that combine and distribute commercially licensed software with Pleasant3D plugins and do not wish to distribute the source code for the commercially licensed software under version 2 of the GNU General Public License (the "GPL") must enter into a commercial license agreement with Pleasant Software. For Open Source Projects and Other Developers of Open Source Applications: For developers of Free Open Source Software ("FOSS") applications under the GPL that want to combine and distribute those FOSS applications with Pleasant3D plugins, Pleasant3D's open source software licensed under the GPL is the best option.