The CyberSyn plugin is powerful, lightweight and easy to use Atom/RSS aggregation and content curation plugin for WordPress. The CyberSyn plugin has one very unique feature which allows you to import full text articles.
The KVS Player plugin allows one to easily embed videos (supported formats: FLV, F4V and MP4) into WordPress posts and pages.
This plugin allows one to mass delete WordPress posts and pages according to the specified rules such as date range, post status and content.
The WP-Flash plugin allows one to easily insert flash animation into WordPress posts and pages.