Protege Desktop
The webprotege code base
Source ontology files for the Gene Ontology
Metadata and website for the Open Bio Ontologies Foundry Ontology Registry
OBO-formatted ontologies → networkx (Python 3)
python library for working with ontologies and ontology associations
The Ontology for Biomedical Investigations
PATO - the Phenotype And Trait Ontology
Evidence & Conclusion Ontology development site: Use ISSUES to request ...
Neuro Behaviour Ontology: an ontology for human and animal behaviour pro...