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 elegant implementation of SSSOM, based on Pydantic

trustgraph-base

The Semantic Intelligence Layer for Ontologies

trustgraph-embeddings-hf

The Semantic Intelligence Layer for Ontologies

trustgraph-flow

The Semantic Intelligence Layer for Ontologies

trustgraph-cli

The Semantic Intelligence Layer for Ontologies

trustgraph

The Semantic Intelligence Layer for Ontologies

trustgraph-vertexai

The Semantic Intelligence Layer for Ontologies

trustgraph-bedrock

The Semantic Intelligence Layer for Ontologies

trustgraph-ocr

The Semantic Intelligence Layer for Ontologies

trustgraph-mcp

The Semantic Intelligence Layer for Ontologies

pylode

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

lightrdf

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

neverblink-linkml

A fast, portable (JS/JVM/native), and robust implementation of LinkML for cross-language data modeling

trustgraph-docling

The Semantic Intelligence Layer for Ontologies

orionbelt-ontology-builder

Browser-based ontology workbench for OWL ontologies and SKOS vocabularies. Streamlit + rdflib, no Java, no Protégé. OWL-RL reasoning, 22 SKOS validation checks, read-only SPARQL console, bulk operations, gist upper-ontology starters, merge-aware imports, interactive vis-network graph.

obographs

A Pydantic model for OBO Graph JSON

ttl3d

Turn any Turtle / RDF graph into a self-contained, offline HTML viewer with 3D and 2D views

linkml-owl

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

trustgraph-unstructured

The Semantic Intelligence Layer for Ontologies

functional-owl

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

ontospy

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