ontosphere

Level BSource

Browser-based RDF/ontology knowledge graph editor — load RDF from files, URLs or SPARQL endpoints; author nodes and edges on the canvas; run OWL-RL reasoning; apply multi-algorithm layout and clustering. AI-native via MCP tool surface and relay bridge. Fully client-side, no backend required.

⭐ 256DatabaseTypeScriptRepo ↗Updated 2026-10-16

Installation

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