ThHanke / ontosphere
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.
Why this job: says: knowledge graph; topics: knowledge-graph
Get started
No single install command. Read the steps in the README (opens in new tab)
- Maintenance
- Active
- Last commit 25 days ago
- Stars
- 259
- +1 this week
- Licence
- Custom
- Read before business use
- Downloads for
- None listed
- No release files
- Latest version
- v1.7.7
- Released 25 days ago
- Built with
- TypeScript
- 88% of the code
Is it looked after?
- Contributors
- Not stated
- Last 90 days
- Issues
- 100% closed
- 0 still open
- Pull requests
- 38 merged
- 1 waiting
- Releases
- 20
- 20 in the last year
- No contributing guide
- No security policy
- No code of conduct
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More: languages, topics and project record
Languages
- TypeScript 88%
- JavaScript 8%
- HTML 2%
- CSS 2%
Topics
- fair-data
- graph-editor
- json-ld
- knowledge-graph
- linked-data
- mcp
- ontology
- owl
- rdf
- reactodia
- reasoning
- semantic-web
Project record
- JobRAG and search
- StatusListed
- Commits1,024
- Forks32
- Watching9
- Stars in 28 days+14
- CreatedSep 3, 2025
- First seen by usNov 7, 2026
- CheckedNov 8, 2026