Fig. 1

Summary of Ontoanimal tools and their features. Ontofox supports ontology reuse by extracting terms and axioms. Ontodog provides ontology community views by allowing community-preferred annotations. Ontorat automatically generates new ontology terms and edits existing terms based on ontology design patterns. Ontobee is an ontology linked data server for OBO library ontologies and many non-OBO ontologies. The Ontobee-based Ontobeep program supports ontology comparison and identification of redundant terms. Ontokiwi is a Wiki-like ontology editing and discussion program. Ontobedia is an application of Ontokiwi. Ontobat supports ontology-based data processing (e.g., conversion from Excel to OWL) and analysis. These tools support different XOD principles