ProDT is a Prolog Integrated Development Environment (IDE) aiming to be as rich in functionality as the Eclipse's java IDE, and to support any standard Prolog implementation. Currently is being supported SWI Prolog, B-Prolog and XSB Prolog
Implemented in Flora-2/XSB, F-OWL is an inference engine for the standard Web Ontology Language OWL. A set of Java API is provided for applications to assert and query OWL ontology statements.