← GitHubGitHubTypeScriptmicrosoft/Ontology-Playground★ 1.8K235 ForksToday +464View on GitHub ↗BookmarkCopy linkFree, open-source web app for learning about ontologies and Microsoft Fabric IQ. Explore a catalogue of pre-built ontologies, design your own visually, export as RDF/XML, and share interactive diagrams. Zero backend, fully static.