This is the old Aladdin Ghostscript model, where the software is proprietary for one year after release and is then reverts to GPL. I think Ghostscript ditched

This is the old Aladdin Ghostscript model, where the software is proprietary for one year after release and is then reverts to GPL. I think Ghostscript ditched this scheme 10-15 years ago. https://books.google.com/books?id=xBANKuFJWtUC&pg=PA306&lpg=PA306&dq=aladdin+ghostscript+one+year&source=bl&ots=_sbDEU6GB5&sig=ACfU3U3EWBanfpdRKtHZQuwo21ijs76ebQ&hl=en&sa=X&ved=2ahUKEwjrz8acwtblAhXqFTQIHbwfDW0Q6AEwFXoECAkQAQ#v=onepage&q=aladdin%20ghostscript%20one%20year&f=false https://books.google.com/books?id=xBANKuFJWtUC&pg=PA306&lpg=...