4. Publishing your ontologies For ontology developers, Cupboard provides an online space to publish their ontologies and attach metadata to them, as well as alignments.
5. Finding and Reusing Ontologies For ontology practitioners, Cupboard helps finding relevant ontologies (through advanced search mechanisms). Ontologies can be discussed, reviewed, etc.
6. A Virtual Infrastructure for Ontology-based Applications For ontology applications developers, Cupboard provides services to find and explore hosted ontologies (Watson API), to retrieve metadata (Oyster P2P system), assess Ontologies (TS-ORS) and manipulate aligments (Alignment Server)