Open source repositories tagged with #semantic-web, ranked by health score.
Go RDF library with full SPARQL 1.1 query/update engine and SHACL validator. 100% W3C conformance (1221/1221 tests). Port of Python RDFLib.
Browser engine for agents. HTML in, structured Semantic Object Model out. Native MCP and AWP with a supported CDP subset. Apache-2.0.
Eclipse RDF4J: scalable RDF for Java
