Best-Of Comments allows users to tag exceptional comments and display a randomly selected list of those comments wherever they choose in their theme.
ZigTrap adds a honey trap to your comments form.
Mask all external links - make them internal or hide. On your own posts, comments pages, authors page - no more PR\CY dropping!
Securimage-WP adds powerful CAPTCHA protection to comment forms on posts and pages to help prevent comment spam from getting onto your site.
Plugin replaces post content with just a link on comments pages. Neccessary for wordpress 2.7+, or you will be rated low for duplicate content.
This simple plugin sets the error reporting level according to the user role. The script warnings and errors are hidden from subscribers and visitors
Import comments from Facebook comments box into WordPress database.
Securimage-WP adds powerful CAPTCHA protection to comment forms on posts and pages to help prevent comment spam from getting onto your site. CAPTCHA
YouTube for WordPress is a complete, all in one, YouTube solution for WordPress installations.
Kick spam with a highly advanced email validation in comment forms, user registration and contact forms using Mailgun's Email validation service.
Creates a widget to show the most popular posts and pages on your site based on Disqus comments.
Decent Comments shows what people say. Provides widgets, shortcodes and API to display comments including author avatars, links, comment excerpts.
Collect and display visitor comments in a custom feed.
Clean your WordPress database.
Plugin for creating tree wordpress comments with spam protection and unfolding responses
WP-BlackCheck is an Anti-Spam Solution for WordPress blocking spam using local detection and a centralized Blacklist Service.
Preview-App allow your wordpress to comments and discuss your webdesign and developpement against the Preview Web service to see if they look like and
New interactive, AJAX comment system. Responsive comment plugin with Live Update function. Allows your visitors discuss, vote for comments and share.
Allow your visitors to comment and login with 25+ social networks like Facebook, Twitter, Instagram, LinkedIn, Paypal, OpenID, VKontakte, Google, Yaho
WP-Sweep allows you to clean up unused, orphaned and duplicated data in your WordPress. It also optimizes your database tables.
This rating plugin allows your readers to rate and comment. It creates these stars in the search results which creates trust. To your online success!
Use Disqus comments with advanced features like lazy load, shortcode etc. Boost your page speed.
Subscribe to Comments Reloaded allows commenters to sign up for e-mail notifications of subsequent replies.
Bring the helpdesk into your blog
This plugin detects one-time email addresses (disposable email, trashmail, mailinator, 10minutemail) and helps to keep your userbase and comments clea
LionScripts' IP Blocker for WordPress allows you to stop the Spam Visitors and malicious IP Addresses. You can block IP addresses by using the ma
Based on the well known Subscribe-to-Comments PlugIn, but now with double-opt-in feature to prevent spam.
Prevent unauthenticated users from using a registered users' credentials when commenting.
The plugin allows to export the names and email addresses of users, who have left comments on the blog.