SX User Name Security prevents WordPress from showing your real Login by overriding the body_class function, User Nicename, Nickname and Display Name.
Re-send welcome e-mails to users who did not receive the original welcome e-mail on registration.
Logs the username and the date/time of every WordPress login.
Enables use of REL= or anything else in Author bio area (for Google+ search results). WARNING: CAN BE USED FOR EVIL! Make sure you trust authors!
Landing Pages increase sales, traffic, registrations on your website
Ajax powered admin page to show, edit, add, and remove user meta. Choose dropdown list by User Login, ID, or Display Name.
Display your WordPress users and their profiles in an index on your site.
Simply adds a author bio in every post automatically.
Ask where your new customers come from at checkout.
Enables the use of HTML formatting in Author Bio
Provides developers with powerful and flexible tools for managing post and user custom fields.
Displays login datetime in manage users screen and sorts users by last login time.
Provides a shortcode [people-lists list=example-list] that can insert a People List on any page,post or even sidebar to list selected users.
Counts the number of users, categories, posts, comments, pages, links, tags, link-categories, words in posts, words in comments and words in pages.
Site Visitor Statistics
User Stats makes it easy to see at a glance stats about your users, including: post count, post views, article costs, costs per 1000 views and more.
This plugin adds support for popular bbcode forum code to posts, comments, pages, bbpress 2.0 forums and buddypress activity and group forums.
Fine tuning access to your posts.
Simple and cool login widget for your WordPress! AJAX, support SSL, show avatar, profile button, register and lost password forms...
Require users to change their password on first login.
Super-lightweight plugin adds Google's No Captcha reCAPTCHA box to your BuddyPress registration form. Tough on bots, Easy on humans!
Configure WordPress Login Timeout through UI (User Interface).
Improves the search for users in the admin significantly: Search for first name, last, email and much more of users instead of only nicename.
Really Simple Guest Post Plugin will help you to generate a guest posting form in the simple and easiest way.
The simplest way to turn your standard WordPress website with a standard WordPress theme into a Social Network.
The most simple way of controlling who sees what in your posts/pages. Restrict content to logged in users only (or guests) with a simple shortcode.
BuddyPress Signup Avatar Plugin allow you add upload avatar function with ajax in register page
Allows you to use HTML and rel= in author's bio , this helps you to get indexed as an author in Google Search
This plugin will disable all non-admin users (with sufficient capability), from creating and adding new pages in your blog.
Manage Directory listings. Provided front-end form, google map support, listing, filtering.