This is the official plugin for WordPress created by Mapler.me.
Proper Custom Avatars.
This plug-in provides a configurable widget to display recent comments with comment author avatars.
This plugin allows you to generate a gravatar favicon for your blog and admin logo included Apple touch icon.
The HyperComments technology replaces your WordPress comment system with your comments hosted and powered by HyperComments
This plugin will give visitors an avatar theme of your choice if they don't have a Gravatar
Uses mustachify.me to add manly mustaches to all avatars with detectable faces.
This is my version of trepmal's "Add New Default Avatar" plugin. It has a few more features which I was looking for.
Simply add a Google+ account ID to generate a G+ favicon for your blog and admin logo included Apple touch icon.
Foragr gathers the activity from Facebook, Twitter, Disqus, IntenseDebate, and WordPess and unifies them in one or more activity streams on your websi
Allows custom avatars for every comment.
This plugin generates claimedavatar.net avatars.
This plugin adds a widget to Buddypress that displays the friends for the current user that is logged in.
Add Gravatars to your comments without modifying any template files. Just activate, and you're done!
Adds AVrAmTAR.com avatar next to users' comments on your WP-powered blog.
Create, organize and manage your WordPress menus and navigation lists by logically grouping your pages, categories, users via a drag'n drop interface.
Add retaggr.com functionality to your blog - image tagging of any image,and totally customizable Profile Cards.Demo and help at http://www.retaggr.com
Ravatars will generate and assign random icons to the visitors leaving comments at your site. It can optionally show Gravatars as well.
The LCA Plugin allows commenters to upload and display an avatar based on either name, e-mail address, url or a combination of all three entered.
Wavatars will generate and assign icons to the visitors leaving comments at your site. It can optionally show Gravatars as well.
This plugin allows you to generate a openvatar URL complete with size, default, and border options. See the documentation for syntax and usage.