What AI says about OWLTools

Owltools is a Java-based toolkit providing an API and command-line utilities for working with OWL ontologies and Gene Ontology data, including parsing, reasoning, and annotation workflows. It includes modules for Gene Association File (GAF) handling, GO mappings, ontology releases, and data formats such as JSON-LD and Markdown renderers, plus graph and frame rendering. The API exposes a wide range of classes and packages for annotation, validation, mapping, IO, visualization, and Solr-based indexing to help developers build, validate, and publish ontology-driven resources.