The BSD 0-clause license goes further than the 2-clause license to allow you unlimited freedom with the software without the requirements to include the copyright notice, license text, or disclaimer in either source or binary forms. This particular version comes from the Toybox project.
Copyright (C) <year(s)> <copyright holder(s)>
Permission to use, copy, modify, and/or distribute this software for anypurpose with or without fee is hereby granted.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIESWITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FORANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGESWHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN ANACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OFOR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
Describes the ability to use the software for commercial purposes.
Describes the ability to modify the software and create derivatives.
Describes the ability to distribute original or modified (derivative) works.
Describes the ability for you to grant/extend a license to the software.
Describes the ability to use/modify software freely without distributing it.
Describes whether the original copyright must be retained.
Including the full text of license in modified software.
Describes whether copies of the original software or instructions to obtain copies must be distributed with the software.
Describes the warranty and if the software/license owner can be charged for damages.