KOMMA is open-source software by Fraunhofer IWU.
RDF for Eclipse – Framework & Editors
KOMMA is an adaptable framework for the management and editing of RDF, RDFS and OWL. It provides Object-Triple-Mapping (comparable to JPA), an Editing framework, Eclipse RCP and RAP integration and full OpenRDF Sesame support.
The development has received funding by the European Union (European Regional Development Fund) and Germany's Free State of Saxony within the Cluster of Excellence "Energy-Efficient Product and Process Innovation in Production Engineering" (eniPROD®) and others.