--- /dev/null
+# Purtle
+
+**Purtle** is a fast, lightweight RDF generator. It provides a "fluent" interface for
+generating RDF output in Turtle, XML/RDF or N-Triples. The fluent interface allows the
+resulting PHP code to be structured just like Turtle notation for RDF, hence the name: "Purtle"
+is a contraction of "PHP Turtle".
+
+The three concrete classes implementing the common `RdfWriter` interface are:
+* `TurtleRdfWriter` outputs Turtle
+* `XmlRdfWriter` outputs XML/RDF
+* `NTriplesRdfWriter` outputs N-Triples
+
+The PHP code would look something like this:
+
+ $writer = new TurtleRdfWriter();
+
+ $writer->prefix( 'acme', 'http://acme.test/terms/' );
+
+ $writer->about( 'http://quux.test/Something' )
+ ->a( 'acme', 'Thing' )
+ ->say( 'acme', 'name' )->text( 'Thingy' )->text( 'Dingsda', 'de' )
+ ->say( 'acme', 'owner' )->is( 'http://quux.test/' );