Favorites v2.3.8
Favorites for any post type. Easily add favoriting/liking, wishlists, or any other similar functionality using the developer-friendly API.
Tags / likes
likes
30 WordPress plugins tagged “likes”. Every result links to a crawlable PlugIndex profile.
Like This v1.6.2
A simple 'I like this' plugin inspired by the facebook 'like' functionality.
My Favorites v1.4.4
Save user's favorite posts and list them.
Solid Post Likes v1.2.3
A like button for all post types. Solid and simple.
WP Voting Contest Lite v6.0
Let visitors vote on the photos and images in your contests.
Tribulant Gallery Voting v1.5
Let users cast votes/likes on your WordPress gallery images/photos.
Lotos Likes v1.8
Add "like" functionality to your posts and pages
WP likes v3.1.1
WP Likes lets your blog visitors 'like' your posts on the go.
CS Likes Counter v1.0.6
Show multiple Likes Counter on your website.
Some Plus Content Reactions v1.0.3
Add emoji reactions to your posts and pages. Let your visitors express their feelings about your content.
AtticThemes: Likes v1.0.1
A simple way to and liking system to your posts.
bbPress Like Topics v1.4
Let members show their love to the topics they like most
Comments Reactions v1.0.0
Improve your comment system with funny emoji reactions.
Express It v1.0.2
Express it adds like/dislike button to your post. It lets your reader like/dislike your post, to let you know how they feel about your post.
GRA4 Social Network v0.0.5.7
Social Network for WordPress will keep the users on your website by entertaining them with social networking functionality (friends, likes, activity, …
Keyring Reactions Importer v1.1
A social reactions ( comments, like, favs, etc. ) importer.
Like Cheese v2.0
Like Cheese lets your site visitors 'like' your site images.
P2 Likes v1.0.7
Give positive feedback on threads you care about on P2
Post Admin Social Stats v1.0.6
Add social stats to the Dashboard and "Edit" pages of the WordPress admin.
Reactions – Emoji Reactions for Posts v0.2.0
Let visitors react to your posts with emoji, Facebook/GitHub-style. Reactions are stored as ordinary WordPress comments.
Simple custom post likes v1.0
Appends a custom likes box that allows a user to like any post type from the front end.
Upvotr v1.0
A WordPress plugin to allow simple upvoting of post objects by a user.
WP Post Likes v1.0
A simple and efficient post like system for WordPress.
CS Post Comment Reactions v1.0.0
Adds social-style cycling reactions, mandatory media uploads, and real-time AJAX interactions to native WordPress comments.