A metadata schema registry server in Perl/C (based on RDF and Sparql/Redland), alongside a GUI client in Java/SWT with Jena for searching, browsing and creating application profiles, schemas and element sets describing resources in Dublin Core and LOM.
SCAM is a development environment for building metadata stores for RDF and the Semantic Web. SCAM is built upon international technology standards and metadata standards. Such as RDF, Dublin Core, IEEE/LOM and IMS.
dbXML is a Native XML Database (NXD). NXDs are databases that store XML using an internalized format for faster overall processing. dbXML was developed using the Java 2 Standard Edition version 1.4.