The Free On-line Dictionary of Computing (30 December 2018):

SB-Prolog

   Stony Brook Prolog.  A public domain Prolog interpreter
   for Unix.  Version 3.1.  Distributed under the GNU
   General Public License.

   (ftp://sbcs.sunysb.edu/pub/sbprolog/).

   Amiga version 2.3.2
   (ftp://ftp.cso.uiuc.edu/amiga/fish/f1/ff140) and
   (ftp://ftp.cso.uiuc.edu/amiga/fish/f1/ff141).

   E-mail: .

   (1995-01-16)