This plugin integrate the Gigya Wildfire bookmarking service into your blog posts quickly and easily.
Show your online presences on your WordPress Blog using the sensly network.
This plugin provides geolocation metadata throughout the blog based on Brightkite data.
WP-SocialCount displays the number of adds/saves from within a social network for any particular URL.
Generates a bookmarklet that makes it easier to add friends to the WordPress links system.