Ontology Playground
Microsoft Fabric IQ
Learn · design · export · share

Make meaningvisible.

A free, open-source web app for learning about ontologies, designing them visually, exporting RDF/XML, and sharing interactive diagrams.

Open the playground ↗Read the diagram ↓
Illustrative ontologyEditable model
ConceptAgent system
EntityIntent
EntityLoop
RelationProduces
EvidenceOutcome
Illustrative semantic model
Visual model → RDF/XMLZero backend