query: SELECT ?baseLabel (COUNT(?software) AS ?count)
  
  WHERE {
    ?software wdt:P31 wd:Q131669.
    ?software wdt:P144 ?base .
    
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en". }
  }
  
  
  GROUP BY ?base ?baseLabel
  ORDER BY DESC(?count)
  