MindRaider is easy-to-use system for organizing of your resources - local files, analytical documents, images, thoughts, friends, tasks, web links, etc. MindRaider enables you to annotate these resources with metadata describing how they are related. Also
The Semantic Web Research Group is a group of people working with Semantic Web technology inside the MIND LAB at University of Maryland Institute for Advanced Computer Studies
Altova SemanticWorks™ 2007 is the ground-breaking visual RDF/OWL editor from the creators of XMLSpy. Visually design Semantic Web instance documents, vocabularies, and ontologies then output them in either RDF/XML or N-triples formats. SemanticWorks™