The MailChimp plugin allows you to quickly and easily add a signup form for your MailChimp list.
All-in-one WordPress spam protection, with NO CAPTCHAs, challenge questions or other inconvenience to site visitors.
The official Constant Contact plugin adds a contact form to your WordPress site to quickly capture information from visitors.
Add the GoDaddy Email Marketing plugin to your WordPress site! Easy to set up, the plugin allows your site visitors to subscribe to your email lists.
Spam protection, anti-spam, all-in-one, premium plug-in. No comments spam & users spam, no contact form & WooCommerce spam. Forget spam.
s2Member®—a powerful (free) membership plugin for WordPress®. Protect members only content with roles/capabilities.
Aggressive anti-spam plugin that eliminates comment spam, trackback spam, contact form spam and registration spam. Protects against malicious attacks.
reCaptcha for login, signup, comment forms, Ninja Forms and woocommerce.
The most advanced protection against sploggers and spam users registration, is fully WordPress,WordPress MU ,BuddyPress and bbPress 2.0 compatible
To send newsletters. Features: collect subscribers on registration or with an ajax widget, mailing lists, cron batch sending, multilanguage, bounces.
Take advantage of your visitors' commentators' and customers' interest. Invite them to subscribe and nurture their engagement.
Offer self-service online appointment scheduling and event registration for your clients, and get more appointments in less time
Allow multiple user accounts to be created, registered, and updated having the same email address.
Use Mailjet to create, send and track beautiful and engaging marketing and transactional emails directly from within your WordPress admin. Includes
Subscribe Form allows you to create Beautiful Professional looking Subscribe Forms easily in less than 1 minute and increase your conversions/Subscrib
This plugin allows users to easily add a custom user registration form anywhere on their site using simple shortcode.
Easily integrate email marketing with the Contact Form 7 plugin. When users contact you, they get added to your newsletter!
Easily add a newsletter sign-up form to your Web site or blog, then run email marketing and SMS campaigns with MailUp.
With this free Sign Up/ Login plugin, you can easily create a sign up and login process for your ecommerce site.
Forces all users (except admins) to agree to your Terms and Conditions on first login and anytime you choose to make them accept new terms. Alternativ
Easily add Constant Contact signup forms to your website (sidebar or content) and configure how they look.
Give visitors a strong reason to leave their emails on your website by locking a piece of content behind an attractive opt-in form.
Add the Mad Mimi webform to your WordPress site! Easy to set up, the Mad Mimi plugin allows your site visitors to subscribe to your email lists.
Form is the simple powerful form plugin for WP, with PayPal and MailChimp integrations, conditional logic, auto email alerts, and custom design.
Add an "Agree to terms" check box on login, registration, or comment forms. Works with BuddyPress, bbPress and MultiSite.
Create and send beautiful emails and newsletters from WordPress.
Add an iContact newsletter signup form to your sidebar or content and easily update how the form looks.
Add bbpress login link, register link, forget password link, log out link in bbpress forum index pages or bbpress single forum pages or bbpress forum
Allows you to add fully customizable ajax powered responsive login, registration and password reset forms anywhere on your website.