Owl Python Packages

owlrl

A simple implementation of the OWL2 RL Profile on top of RDFLib: it expands the graph with all possible triples that OWL RL defines. It can be used together with RDFLib to expand an RDFLib Graph object, or as a stand alone service with its own serialization.

pyshacl

A Python validator for SHACL

pronto

A Python frontend to (Open Biomedical) Ontologies.

sssom-pydantic

🐍 An opinionated implementation of a simple subset of SSSOM, based on Pydantic

pylode

An OWL ontology documentation tool using Python and templating, based on LODE

trustgraph-embeddings-hf

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-base

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-cli

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-vertexai

Write context once. Run agents anywhere. Own your data and the models.

reasonable

OWL 2 Reasoner built on DataFrog

trustgraph-flow

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-ocr

Write context once. Run agents anywhere. Own your data and the models.

trustgraph

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-bedrock

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-mcp

Write context once. Run agents anywhere. Own your data and the models.

trustgraph-unstructured

Write context once. Run agents anywhere. Own your data and the models.

orionbelt-ontology-builder

Browser-based ontology workbench for OWL ontologies and SKOS vocabularies. Streamlit + rdflib, no Java, no Protégé. Bulk operations, OWL-RL reasoning, gist upper-ontology starters, merge-aware imports, interactive vis-network graph.

obographs

A Pydantic model for OBO Graph JSON

linkml-owl

Extension of LinkML runtime for converting instances of LinkML classes to OWL (classes or instances)

orionbelt-analytics

Ontology-based MCP server that analyzes database schemas (PostgreSQL, Snowflake, ClickHouse, Dremio) and generates RDF/OWL ontologies with SQL mappings for fan-trap-free Text-to-SQL.

functional-owl

A Python implementation of the Functional OWL (OFN) object model.

lightrdf

A fast and lightweight Python RDF parser which wraps bindings to Rust's Rio using PyO3

ontospy

Python library and command-line interface for inspecting and visualizing RDF models aka ontologies.

schema-automator

Automated assistance for the schema development lifecycle