Allows an admin (or capable user) to edit the author slug of a user, and change the author base.
Choose whether to show or hide the author's name.
The one plugin you need for stats, related posts, search engine optimization, social sharing, protection, backups, speed, and email list management.
Display lists of user avatars using widgets or shortcodes.
Authors Widget shows the list or cloud of the authors in the sidemenu.
This plugin lets you assign non-authors as post author.
To prevent that usernames are publically visible, the username in the author's permalink is replaced with the author's ID.
Easily display your author/user profile info inside WordPress widget.
Assign multiple bylines to posts, pages, and custom post types via a search-as-you-type input box
A WordPress Bookstore Plugin to help authors boost book sales on sites like Amazon and Apple iBooks with great-looking book pages.
Starbox is the Author Box for Humans. Professional Themes to choose from, HTML5, Social Media Profiles, Google Authorship
simple lightweight plugin limit authors to post just in one category.
Disable the author pages
A WordPress author bio plugin that adds an extremeley flexible, custom about the author box below your posts for single and multiple authors.