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Design AI ontologies with Ontology-Playground

Developed by Microsoft, Ontology-Playground is an open source web application used to learn ontologies and create visual designs on Microsoft Fabric IQ. This completely static tool allows users to design ontology models, export them in RDF/XML format and share interactive diagrams.

What you get

  • Create ontology models with visual interface
  • Export to RDF/XML format
  • Explore data with interactive diagrams

Installation

Installing the project in a local environment
cd Ontology-Playground
npm install
Starting the development server
npm run dev

If you don't write code

🤖 Paste this into your AI agent (Claude Code · Codex · Antigravity)

I want to design an ontology using Ontology-Playground. Load the starter template by selecting a field such as Retail, Healthcare, or Finance. Then, add new entity types to this template, define the relationships between them, and show me the steps I need to export this model I created in RDF/XML format.

Related dictionary terms

Artificial Intelligence
Who it is forSuitable for developers and researchers interested in data modeling, ontology design, and the Microsoft Fabric IQ ecosystem.
LicenseMIT

Links

TreScout did not build this tool · we found it in GitHub trends and wrote it up. This page describes the repository as of 2026-07-21: The star count and our text belong to that day, the repository may have changed since. Check the repository link for the current state. This page was machine-translated from the Turkish original · the Turkish version prevails.