unregistered users can favorite a post.
Setup Twitter feeds to pull a user's public timeline, public list, favorite tweets, or a custom search term, phrase, or hashtag.
Places a Bookmark Button on Your Page - Selectable Graphics and Positioning - Upgrade to Bookmark Professional Now Available.
Provides several Twitter widgets: show your own tweets, show tweets relevant to post's tags, show tweets for Twitter lists, show tweets for hasht
This plugin generates a blog post of your favorite Readability links.
Network-Favorites help you favorite the web page that you are interesting in you blog, also you can share the web page with others!
Add social media icons and links to your site with a customizable user interface. Facebook, Google +, Pinterest, RSS, Twitter, You Tube supported!
Displays your favorite plugins from your WordPress.org profile along with star ratings and author info.
Change "Howdy" and add more links to the Favorites drop-down
AddInto is a bookmarking and sharing button that helps website publishers and bloggers spread their content across the web by making it easy for visit
YG-Share can automatically insert the sharelist at the end of the article ,such as "Delicious".
Allows admins other users with a specially-defined user-capability to define a custom menu on the admin-bar of his or her favorite shortcuts.
This plugin allows your users to save their favorite content, and keep track of their favorites (add or remove), other user's favorites and click
wp_favorites allows a logged in user to favorite a tag or tags and then show only posts that have that tag or a combination of those tags
RSS link for this tag.