The Voter plugin adds a recommendation engine (voting or like/unlike features) on any WordPress blog or website.
by using this plugin ,you can srt like unlike in your post,page,and anything! Just user shortcode [vd_likes] in post or page.you can use it by do_sho
Turn your Buddypress Activity Component to a Facebook-style Wall.
Allows you to add links 'I like / I do not like' to each post and comment.
Add boutons for "Like" or "Unlike" (can be set up) your posts and pages.