Effectively a public domain licence.
This software is distributed under the terms of the Give it Your Own License, License, which gives you the right to re-license this software under any terms, or any existing license, you desire. Your new license terms shall not affect the license terms of any future licensee of the software, as distributed by the original author, nor shall your new license terms act retroactively on any prior licensee.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS". ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. THE AUTHOR SHALL NOT UNDER ANY CIRCUMSTANCE BE HELD RESPONSIBLE FOR DAMAGE CAUSED BY THE USE OF THE SOFTWARE LICENSED HEREIN.