This Plugin allows BuddyPress and WordPress users to change the "Display name publicly as" field for ALL users, at any time.
A plugin to change registered username and display name.
Simple, but strong HTTP security, to prevent Brute force attack. One-click solution!
Automatically approve comments by commenter (email, name, url), user and role even if you set the comments to be manually approved to avoid spam.
A simple solution to misbehaving users.
Add additional contact info fields to the user profile page and/or disable the instant messager fields.
As nice scroll is a jquery plugin for WordPress site. This plugin will create a nice scrollbar for your site.
Allows you to enter national characters (special characters) in username during registration.
Allows a User to display their Twitter picture and link next to a comment they make on a post.
Convert twitter usernames, hashtags and lists in pages, posts or comments to a twitter link.
Register Modal provides a modal Ajax-ify box to register for WordPress!
When someone gets a password wrong or uses the forgotten password form on your site, the administrator is emailed with the details that were entered.
AS login you can fully customize wordpress login page.
Allows users to login by their username or email.
Email bbPress topic/reply mentioned users, set custom email and some basic settings
Restrict the usernames, email addresses, characters and symbols or email from specific domain names or language in registration ...
Replaces Twitter usernames (@larsreineke) with correctly linked ones (@larsreineke)
Plugin to allow users to login by a number, their user ID (optionally prefixed)
MJP Security Tools is a plugin designed to fix a lot of WordPress security issues, as well as providing extra support.
For popular blogengines only. Aliases for users and communities (read FAQ section) will be replaces with correct HTML code.
A plugin to make linking to Twitter users easier with shortcodes.
A plugin for live username availability checking.
This plugin allows users to log in using either their username OR email address.
Add Hebrew characters to sanitize_user
Add TOZNY as an authentication option to your WordPress.
A secure plug-in which helps you be away from being collected, brute force attack and so on, Based on SaFly Cloud API, Designed by SaFly.ORG™.
An add-on for WP User Manager that let's you define minimum and maximum username length.
SuperAuth is the truly passwordless authentication system. No passwords, no usernames, no typing, nothing to forget, and completely secure.
Plugin "Redirect username" does not allow to know the login site administrator via the url address type http://example.ru/?author=1.