This comprehensive extension provides plugins for CKAN to expose and consume metadata from Italian open data catalogs using RDF documents serialized according to the Italian DCAT Application Profile (DCAT-AP-IT). Features include: package, organization, and configuration schema extensions for DCAT-AP-IT fields; CSW harvester for ISO metadata; RDF harvester with multilingual support; theme-to-group mapping; harvest status page; improved dataset form with tabbed interface; subcatalog facets; controlled vocabulary management with EU/AgID vocabularies; geonames integration; and extensive localization support via ckanext-multilang.