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

mrzerog

WP Favorites allows your logged in users to favorite a tag, and allows them to see only posts that have that tag. They can also favorite multiple tags, and see only posts that have all those tags (or optionally any post with any of those tags). Example: You run a site about tea, iced and hot, green black and white. You tag every post green, black, or white, as well as iced or hot. Your user only likes iced green tea, so they favorite the ‘iced’ tag, and the ‘green’ tag. Then, they can see only posts pertaining to iced green tea (or optionally any post’s tagged either iced or green). Users are able to favorite a tag from it’s archive page.

wp_favorites

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

CleanCodeNZ Favorite Posts Plugin vs wp_favorites