query: PREFIX wd: <http://www.wikidata.org/entity/>
  PREFIX wdt: <http://www.wikidata.org/prop/direct/>
  PREFIX wikibase: <http://wikiba.se/ontology#>
  PREFIX p: <http://www.wikidata.org/prop/>
  PREFIX v: <http://www.wikidata.org/prop/statement/>
  PREFIX q: <http://www.wikidata.org/prop/qualifier/>
  
  PREFIX rdfs: <http://www.w3.org/2000/01/rdf-schema#>
  PREFIX psv: <http://www.wikidata.org/prop/statement/value/>
  prefix schema: <http://schema.org/>
  
  SELECT ?itemLabel ?item ?url_node
  WHERE
  {
      ?item p:P1324 ?stmt.
     	?stmt v:P1324 ?url_node.
      FILTER fn:not(EXISTS { ?item wdt:P31 wd:Q341 }).
      
      FILTER isIRI(?url_node).
      FILTER regex(str(?url_node), "github")
     SERVICE wikibase:label {
       bd:serviceParam wikibase:language "en" .
     }
  }
  LIMIT 100