The official SiteGrapher WordPress plugin for page view analytics.
This plugin adds support for Degaa Analytics tracking to WordPress installations.
Provides real-time notifications of comments through the real-time cloud service Beacon (http://beaconpush.com/).
Active Preview provides a new preview link for users to click that creates a new preview window which is updated with changes in real-time.
Cozimo's WordPress plugin enables real-time media collaboration within WordPress sites.