The license status of the software is unknown and has to be assumed
to be non-free. This is the default for any software for which the
license status is not known within the Catalogue. The software may be
free or nonfree but we've not been informed and as yet have not had
the resources to check it out.
Please check the software's license before using the software.
Some software has no copyright statement nor license. By
default, this is often regarded as `all rights reserved', hence such
software is non-free and placed into this unknown category.