SemanticWorks 

Altova SemanticWorks 2006 is the ground-breaking visual RDF/OWL editor. Visually design Semantic Web instance docs, vocabularies, and ontologies then output the format of your choice. It is the sensible way to put the Semantic Web to work for you.
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Altova Enterprise XML Suite 

The Altova Enterprise XML Suite is a comprehensive XML development toolset that delivers the highest functionality and best product value. It includes Enterprise Editions of XMLSpy, MapForce, StyleVision, and SchemaAgent, plus the new SemanticWorks.
xml xml editor xml mapping schema editor dtd editor xsl editor zml schema dtd xsl xslt xsd stylesheet html import java

Altova Professional XML Suite 

The Altova Professional XML Suite is a comprehensive XML development toolset that delivers tremendous functionality at a special price. It includes Professional Editions of XMLSpy, MapForce, StyleVision, and SchemaAgent, plus the new SemanticWorks.
xml xml editor xml software xml mapping schema editor dtd editor xsl editor w3c schema dtd xsl xslt xsd stylesheet designer ide