Raptor RDF parser and serializer library Raptor is a C library providing a set of parsers and serializers for Resource Description Framework (RDF) triples by parsing syntaxes or serializing the triples into a syntax. The parsing syntaxes are RDF/XML, N-Triples, Turtle, GRDDL and RSS tag soup including Atom 0.3 and Atom 1.0. The serializing syntaxes are RDF/XML, N-Triples RSS 1.0 and Atom 1.0. Raptor can handle RDF/XML as used by RDF applications such as RSS 1.0, FOAF, DOAP, Dublin Core and OWL. Raptor is designed for performance, flexibility and embedding (no memory leaks) and to closely match the revised RDF/XML specification.