Tool of the Day

Protege

"Protege is a free, open source ontology editor and knowledge-base framework The Protege platform supports two main ways of modeling ontologies via the Protege-Frames and Protege-OWL editors. Protege ontologies can be exported into a variety of formats including RDF(S), OWL, and XML Schema." -- Protege Home Page (viewed 30 October 2012)