CodeAndReload

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.
<h3>Support</h3>
Technical support for this plugin will be provided via the WordPress plugin forum. Additional support may be 
available at <a href="http://www.codeandreload.com/wp-plugins/admin-bookmarks/" title="Admin Bookmarks at Code
and Reload">plugin’s homepage</a>.

Custom Admin-Bar Favorites

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.

cleancodenz

If your wordpress site is tracked by Google Analytics, then you can get access to all those stats about your site like visitors, keywords and pageviews. But it is not easy to present some of those stats on your wordpress site if you want to, like which posts are visitor’s favorite posts? because data in Google Analytics 
about the sites you are tracking are private to the account holder, not to the general public.
This plugin uses Google Analytics API to get the stats of favorite posts of your wordpress blogs and list them in a table
To use this plugin, you need a Google Analytics Account and a profile which is your wordpress install, your Google Analytics information are encrypted and saved in options.
Any issues: <a href="http://www.cleancode.co.nz/contact" rel="nofollow ugc">contact me</a>.

CleanCodeNZ Favorite Posts Plugin

This plugin uses Google Analytics API to get the stats of favorite posts of your wordpress blogs and list them in a table

Custom Admin-Bar Favorites vs CleanCodeNZ Favorite Posts Plugin