Feed field (CCK module)
Apture
Feeds Import or aggregate data as nodes, users, taxonomy terms or simple database records. One-off imports and periodic aggregation of contentImport or aggregate RSS/Atom feedsImport or aggregate CSV filesImport or aggregate OPML filesPubSubHubbub supportCreate nodes, users, taxonomy terms or simple database records from importExtensible to import any other kind of contentGranular mapping of input elements to Drupal content elementsExportable configurationsBatched import for large files Installation For requirements and installation instructions, refer to the included README.txt file. Upgrade from FeedAPI

Feeds

The Drupal 7 RDF contrib project has now a new home: RDF Extensions (RDFx). The reasons for this move are explained in this issue.. If you are new to RDF, watch this introduction. RDF is a W3C standard for modeling and sharing distributed knowledge based on a decentralized open-world assumption. Resource Description Framework (RDF) Resource Description Framework (RDF)
Tattler Tattler (app) is a Drupal Distribution, an open source topic monitoring tool for today's Web. Tattler finds and aggregates content from the Web on topics you ask it to monitor. Using semantic Web technologies, Tattler mines news, websites, blogs, multimedia sites, and other social media like Twitter, to find mentions of the issues most relevant to your organization. Tattler