- Pizzas (contains much of the online tutorial)
- Broken Pizzas (shows common errors made while building OWL ontologies)
- Generations Using the reasoner to help describe family relationships [Browse]
- Amino Acid A small ontology of Amino Acids and their properties
- Sample Top Bio An extract of the top levels of GALEN - described by paper by A. Rector & J. Rogers
- Bio Ontologies A selection of ontologies used during the bio-domain tutorials
- Demo Ontologies package [ZIP] A selection of ontologies used for tutorials such as ISWC2005
- Galen The full GALEN ontology of medical terms, anatomy and drugs translated into OWL - by Julian Seidenberg.
- OWL lists Core ontology for creating lists in OWL.
- Photography An OWL2 ontology of photographic equipment and fundamental principals (work in progress).