Ontology Software and Tools

• Apollo  - Knowledge modeling application that has an open architecture user interface that allows for allows for the implementation of additional views of the knowledge base.
• Chimæra  - Support software aids user in creating and maintaining distributed ontologies on the web.
• DERI Ontology Management Environment  - Developed by the Ontology Management Working Group, this software aims to create a suite for the efficient and effective management of ontologies.
• F-OWL  - Information about the tests run on the F-OWL -an OWL Inference Engine in Flora-2.
• Ontolingua  - Ontology software creates a distributed collaborative environment for the browsing, editing, and using of ontologies.
• Ontology Works  - Provides ontology construction, ontology-based database, and ontology-based information integration software.
• OpenCyc  - Free version of the Cyc technology. Presents software related to the world's most comprehensive knowledge base and common sense reasoning engine.
• pOWL  - Semantic web development platform supports collaborative browsing, querying, and editing of RDFS-OWL ontologies.
• Protégé  - Open source ontology editor and knowledge base framework based on Java.
• RacerPro  - OWL reasoner and inference server for the Semantic Web. Features presented.
• Wordmap  - Claims to offer a new level of precision to information access via intelligent control.