What licensing applies to the included Ogg Vorbis software?
The bundled Ogg Vorbis utility software is released under the terms of the GNU GPL, or GNU General Public License. The details can be found at www.gnu.org. The libraries and SDKs are released under the more business-friendly BSD license. Please note that developers are still free to use the specification to independently write closed-source implementations of Ogg Vorbis which are not bound by these licenses.