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Simple MailChimp

MC4WP: Mailchimp for WordPress

Newsletter, SMTP, Email marketing and Subscribe forms by Brevo (formely Sendinblue)

Podcast Subscribe Buttons

MC4WP: Mailchimp Top Bar

F70 Lead Document Download

RSS llama

BlossomThemes Email Newsletter

Comments Subscriber

Easy Subscribe

MailerLite – Signup forms (official)

WP Subscription Forms – Subscription Form Plugin for WordPress

Subscribe to Download Lite – Download after Email Subscription Form WordPress Plugin

Grow for WordPress

Ultimate YouTube Video & Shorts Player With Vimeo

Subscribe2 – Form, Email Subscribers & Newsletters

SUBRE – Product Subscription for WooCommerce – Recurring Payments

Pushnami – Web Push Notifications

Creative Mail – Easier WordPress & WooCommerce Email Marketing

Constant Contact Forms by MailMunch

WP – SMS OTP Login – by SMS.to

WP – Bulk SMS – by SMS.to

SMS for WooCommerce – by SMS.to

Minutemailer Subscribe

Maintenance Mode by IP Address

MailMunch – Grow your Email List

Download After Email – Subscribe & Download Form Plugin

MyBookProgress by Stormhill Media

Podlove Subscribe button

Better Follow Button for Jetpack

Subscribe To Comments Reloaded

Subscribe privacy for Jetpack

ITERAS

WDV MailChimp Ajax

Subscribe To Comments Checkbox

sitepackage:// Newsletter Opt-In

SubToMe

Mail Subscribe List

Subscribers – Free Web Push Notifications

CAMOO SMS

Subscribe to Category

Comment Redirect

RevPress – Easily add Subscribe with Google from Google's Reader Revenue Manager to your site!

Replyable – Subscribe to Comments and Reply by Email

Online Outbox Subscription Form

Tikab SMS

Mailchimp subscribe for WP

Youtube Subscribe Link Locker

WX Subscribe 微信支付付费订阅

WP User Subscribe

WP Subscribe

WP Post Email Notification

WP Easy Post Mailer

WP FollowMe CSS

Websand Subscription Form

Visitor Content Wall

VerticalResponse Marketing Suite

Vervemail Subscriber

User Subscription

Ultimate Subscribe

TT – Subscribe

TotalSend WordPress Integration

TouchBase Mail Subscribe Form

th23 Subscribe

TechnoScore MailChimp Subscription

Subscription Options

WooCommerce Subscription Shortcodes

Subscribr

Subscriber Boost for MailChimp

Subscribe to Double-Opt-In Comments

Subscribe-YouTube-Button

Subscribe Google Groups

Subscribe Here Widget

Subscribe Widget

Subscribe-Remind

Subscribe to Comments Reloaded Better Unsubscribe

Snappy List Builder

SmartPush – Free Web Push Notifications

Skyboot Subscribe Button for Youtube

Simple Subscriber Signup Widget

Simple CRM MailChimp Widget Addon

SH Email Alert

Send email only on Reply to My Comment

RUA Blog Subscriber Lite

RSS Desktop Notifications

Reply By Email

ReachMail Subscription Forms

Push Message To WeChat

Psmailer

Popup Creator – Popups for HTML, Contact Us, Subscription, etc…

YTS Youtube Subs

Easy WordPress Subscribe – Optin Hound

Octeth Email Marketing

Notifly

Nord Sub News

Navayan Subscribe

Native YouTube Subscribe Button with Subscriber Counter

My Clang Subscribe Form

msg91 by vasim shaikh

MS-Subscriber

(MB) YouTube Widget

MailSales

MailingBoss WP Plugin

mailflatrate

MailChimp Subscribe Widget

Mailchimp for Shopified

Mail To All

List YouTube Channel Videos

LH First Comment Redirect

Klawoo Connector

Keep in Touch

Jamie’s WP Arrow Newsletter Subscriber

Hostiran SMS Plugin

INBOX Forms

Hornbills Myi

Highfly Private

Group Forum Subscripton for BuddyPress

Integration for Gravity Forms and Quorum

FV Feedburner Replacement

First Comment Redirect

FazaCrm Client

EnvyChimp – WP Subscriber Plugin

Enormail Sign Up Forms

Enhanced Paypal Shortcodes

EmlDesk Subscription Forms

EmailSystem

eMailPlatform for WooCommerce

YouTube Subscribe

Easy Registration Form

Direct Mail Subscribe Form

Create Content Offers Instantly From Your Blog Posts

Comment Notifier

Bongolive SMS

Bloglovin Button

Awesome Youtube Subscribe

Automate Chrome Push Notifications

Auto Subscribe Users

Attendance List

Affiliates Manager Mad Mimi Integration

Subscribe Button by AddToAny