This plugin allows you to implement super security captcha form into web forms.
BotSmasher stops spam by checking comments and registrations against the BotSmasher API.
This plugin creates a registration form for events created using The Events Calendar plugin.
Use email address as username when a new user registers with WP Job Manager. Set custom label for `Username` on login pages. Compatible with Jobify.
Authenticate new users against the minecraft.net valid user database.
Enables usernames containing special characters (russian, cyrillic, arabic) on your WordPress Blog.
This plugin provides a newsletter opt-in form that is connected to sitepackage://
Automatically create and accept friendships for specified users upon new user registration. * Requires BuddyPress
Restricts access to your WordPress site after a certain number of pageviews.
WangGuard Registration Notice Add-on is an Add-on for WangGuard plugin. You can add a Notice in the registration page.
WangGuard Limited Registration Domain Add-On is an Add-on for WangGuard plugin. You can allow or disallow a list of domains.
WangGuard Blacklisted Words is an Add-on for WangGuard plugin. You can blacklist words.
Require users to change their password on first login.
Paypal Frontend Registration : Register to wordpress site by accepting payment from user using PAYPAL
Add some useful fields to registration and user's info
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