OBO Foundry

Repository for the Human Disease Ontology.

Ontology for the description of human clinical features

BFO repository including source code and latest documents

ROBOT is an OBO Tool

A Python frontend to (Open Biomedical) Ontologies.

Source ontology files for the Gene Ontology

Mondo Disease Ontology

Bootstrap an OBO Library ontology

The core repository for the FOODON food ontology project. This holds the key classes of the ontology; larger files and the results of text-mining projects will be stored in other repos.

Metadata and website for the Open Bio Ontologies Foundry Ontology Registry

Schema and generated objects for biolink data model and upper ontology

A community-driven ontology for the representation of environments

An ontology of gross anatomy covering metazoa. Works in concert with https://github.com/obophenotype/cell-ontology

python library for working with ontologies and ontology associations

An ontology of cell types

PheKnowLator: Heterogeneous Biomedical Knowledge Graphs and Benchmarks Constructed Under Alternative Semantic Models

Ontology Lookup Service from SPOT at EBI

Simple Standard for Sharing Ontology Mappings

Collect of SO Ontologies

RO is an ontology of relations for use with biological ontologies