Easy Gravatars

Display your top commenters or authors in a widget.

Use native PHP sessions and stay horizontally scalable. Better living through superior technology.

Subscribe to Comments allows commenters on an entry to subscribe to e-mail notifications for subsequent comments.

A powerful anti-spam plugin that silently discards spam comments without showing any error page.

Sets a cookie on a random URL that is then checked when a comment is posted. If the cookie is missing the comment is marked as spam.

Disqus is the web's most popular comment system. Use Disqus to increase engagement, retain readers, and grow your audience.

A [documents] shortcode which will display a list of attached files, with file type icons, and linked to the files for easy downloading.

Automatically add <link>, <meta> description and <meta> keywords to your HTML on a per-post (or page) basis.

Advanced filtering functions for WordPress, including the Talk Like a Pirate Day filters.

Uses mustachify.me to add manly mustaches to all avatars with detectable faces.