The GNU / FSF project also has its own permissive license Perhaps few or none know it but the GNU / Free Software Foundation project also has its own permissive license although they do not give much importance just to mention it is similar to the BSD license, the license is called GNUAllPermissive
License Notices for Other Files (Information for Maintainers of GNU Software)
License Notices for Other Files (Information for Maintainers of GNU Software)
www.gnu.org