JReferences

WP CommentWidgetizer is a simple widget that takes one of the approved comments made on any page or post of your site and displays it in the sidebar.

Create author boxes for multiple and guest authors, with a Cite This Article panel that lets readers cite your published work.

An plugin that will integrate with the Bazaarvoice rating system.

A simple and lightweight yet rock-solid plugin that blocks comment spam using multiple automatic detection methods.

Add colorful emoji reactions to your WordPress posts and pages, similar to Facebook reactions.

This plugin allows you to add Twitter-like @reply links to comments, including a preview of the comment replied to. MASHUP of this: http://www.

A simple plugin to add a subtitle (for a post or a page). You may want to use custom CSS for a better rendering.

This plugin helps you to modify/override some parts of the translations.