WP RSS Aggregator is the most comprehensive RSS feed importer and autoblogging plugin for WordPress with premium add-ons for additional functionality.
WPeMatico is autoblogging in the blink of an eye! On complete autopilot WPeMatico gets new contents regularly for your site!
Imports and aggregates RSS Feeds using each user as feed provider.
Best tool for importing, merging and displaying Curated RSS and Atom feeds on your WordPress site.
WP RSS By Publishers is built the way an aggregator should be.