SWI-Prolog's home

Swi-prolog.org has 1 URLs listed in 2 Dmoz categories.

SWI-Prolog
Stable and free standard Prolog implementation. Targeted primarily at research and education. Windows, Linux and Unix versions available. Comes with a visual debugger and a GUI environment.
http://www.swi-prolog.org/
Top/Computers/Programming/Languages/Prolog/Implementations

SWI-Prolog -- SGML/HTML/XML/RDF handling
A package for SWI-Prolog that provides a parser for mapping RDF, XML and SGML based data as Prolog terms.
http://www.swi-prolog.org/
Top/Reference/Libraries/Library_and_Information_Science/Technical_Services/Cataloguing/Metadata/RDF/Applications