#rdf

RDF Studio

StefanAvesand

Browse, edit, and visualize RDF knowledge graphs with tree views, SPARQL, remote endpoints, and graph visualization.

LinearCode

LinearCode

See any file as an interactive graph: JSON, XML, YAML, CSV, Parquet, PDF, Markdown, OpenAPI, RDF/OWL, Graphviz, call graphs for Python/JS/PHP/R/Shell — plus live REST APIs and MCP servers.

OntoGraph Lite: OWL Ontology Editor

ysgao

Protégé-like OWL ontology editing, reasoning, and visualization for VS Code

Strixonomy

strixonomy

Ontology IDE for VS Code powered by Strixonomy. Browse, edit Turtle, query, reason (EL–DL), validate, and diff OWL/RDF/OBO ontologies from the IDE or CI.

Knowboard

knowboard

Organize your Personal Knowledge Base in Markdown.

Syntax highlighter for the terse syntax of Reasonable Ontology Templates (stOTTR).

CIM/RDF Lens

calkoe

Shows relationships between rdf:about blocks and rdf:resource references as stacked color bars in the code gutter.