Cogent Prolog

from The Free On-line Dictionary of Computing (8 July 2008)

Cogent Prolog

   <language> A full {Edinburgh standard Prolog} with {debugger},
   {listener}, {DCG}, many {built-ins}, text windows, support for
   {modules}, and support for both 16-bit and 32-bit {protected
   mode}.

   Contact: Dennis C. Merritt.

   (1999-11-24)