FeedWordPress is an Atom/RSS aggregator for WordPress. It syndicates content from feeds that you choose into your WordPress weblog; the content it syndicates appears as a series of special posts in your WordPress posts database.
WP RSS Aggregator
Plugin for easily importing, merging and displaying RSS and Atom feeds on your WordPress site.
MyCurator Content Curation
Combines content aggregation and curation. Content is delivered via RSS feeds, and you can curate articles from those or find others manually. When you choose an article, MyCurator will pre-fill a post with some of its info, enabling you to edit.
A very easy to use autoblogging plugin. Organized into campaigns, it publishes your posts automatically from the RSS/Atom feeds of your choice.
RSS Post Importer
Plugin for Syndicating, Importing, Curating, Merging and Displaying Full Text RSS and Atom feeds on your WordPress Blog.