Page Expiration Robot creates a real sense of urgency by turning your WP pages (or posts) into timed offers on a visitor-by-visitor basis.
Skysa App Bar provides real-time social interaction for your WordPress members with chat rooms, instant messaging, announcements, polls and more.
WP App Store Connect allows you to display Apple App Store data within your posts and pages via shortcode.
Bad Behavior complements other link spam solutions by acting as a gatekeeper, preventing spammers from ever delivering their junk, and in many cases, from ever reading your site in the first place.
Better WordPress Google XML Sitemaps is the first WordPress XML Sitemap plugin that comes with comprehensive support for Sitemapindex, Multi-site and Google News sitemap.
Social Media Tabs allows you to add Facebook, Google +1, Buzz, Twitter and RSS profiles and feeds to any widget area with stylish sliding tabs.
yolink Search is a drop-in replacement for WordPress search that provides relevant results.