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A knowledge modelling Java application developed by the Knowledge Media Institute. Internal model is build as a frame system conformant to OKBC protocol. Version 1.1 supports OWL.
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A simple ontology editor allowing to build ontologies according to a methodology proposed by Bruno Bachimont. Supports OWL, DAML+OIL and RDFS formats. Free download.
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DOME is developed by the Ontology Management Working Group. The aim is to provide tooling support for editing, browsing, versioning, evolution, mapping and merging of ontologies.
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A simple web service allowing to display class and property hierarchies from a DAML or OWL file.
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Program and Proceedings of OntoWeb-SIG3 Workshop at the 13th International Conference on Knowledge Engineering and Knowledge Management.
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An ontology inference engine for OWL, using Flora-2, an object-oriented knowledge base language and application development platform.
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A framework for loading ontologies from files and via the Internet and for locally creating, modifying, querying, and storing ontologies.
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An on-line tool that identifies an ontology as OWL Lite, OWL DL, or OWL Full.
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OilEd is a free ontology editor supporting DAML+OIL, developed by the University of Manchester. Download available. Latest version supports OWL.
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A distributed collaborative environment to browse, create, edit, modify, and use ontologies. Provided by the Knowledge Systems Laboratory of Stanford University.
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Survey of ontology editing tools summarizes more than 50 software tools and provides a brief introduction to the topic. Includes resources.
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Makers of ontology engineering tools for enterprise information integration.
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OpenCyc is the open source version of the Cyc technology, the world's largest and most complete general knowledge base and commonsense reasoning engine.
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An on-line tool providing various reasoning services for OWL documents, such as OWL species, consistency checking, satisfiability, entailment test.
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A free open-source Java tool providing an extensible architecture for the creation of customized knowledge-based applications. Includes documentation, events and publications.
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A Semantic Web inference engine for developing ontologies and query answering over RDF, RDFS/DAML or OWL.
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A merging and diagnostic ontology environment. It is distributed for external use and has been used in academics and also commercially.
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Developed in order to evaluate the performance of the WebODE ontology engineering workbench.
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Allows an organisation to ensure semantic interoperability of metadata, through consistent terminology in all of its applications, assets and activities.
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pOWL is web-based knowledge base edititing and management solution for the Semantic Web. It supports collaborative browsing, querying and editing of RDFS/OWL Ontologies and exposes an API for PHP programmers.
