- KSL's new ontology browser/editor/merging tool
- KSL's Ontolingua server
- KSL Network services where you can get a free account to use Chimaera and Ontolingua
- Ontosaurus web interface to the SENSUS ontology
- Ontosaurus is a web interface to LOOM ontologies
- LOOM ontologies from CNR-ITBM Ontology group