14 Free WordPress Plugins to Build an Email List

Here is a rundown of WordPress plugins to build an email list. There are tools for creating and automating pop-ups and opt-in forms, driving and managing newsletters subscriptions, capturing leads, and more. All of these plugins are free. Most offer premium plans as well.
Sendinblue is an all-in-one email marketing platform. Create custom subscription forms and easily integrate them into your posts, pages, or sidebars to grow your list. Manage the list with advanced segmentation. Use the drag-and-drop builder or template library to create and send newsletters. Develop automated marketing and transactional emails. Price: Free up to 300 emails per day and unlimited contacts. Premium plans start at per month.

Plugins to Build Email Lists

HubSpot offers several tools to build an email list. Create nearly any kind of form and pop-up using a simple drag-and-drop builder. Build responsive email newsletters inside WordPress, and nurture leads with automated campaigns. Manage your database with HubSpot’s free CRM, and group contacts with the built-in list builder. HubSpot comes with 20-plus pre-designed email templates. Price: Free.

Icegram is a popular pop-up builder for lead capture, call to action, and email marketing. Use Icegram Engage to show the right messages at the right time. Capture leads using attractive pop-ups, slide-ins, opt-ins, and welcome bars. Access 50-plus free pop-up templates and action bar themes. Set up exit-intent pop-up campaigns, action bars, badges, stickies, inline opt-in, fullscreen overlay, ribbons, sidebar panel, and more. Price: Basic is free. Premium plans start at per month.

HubSpot
Klaviyo helps businesses engage consumers across email, SMS, web, and in-app. Leverage Klaviyo’s free form builder. Build fly-outs, pop-ups, and embeds. Target forms to specific segments, devices, or pages. Use the library of pre-built forms and automated campaigns, such as drip messages, abandoned cart reminders, and sale promotions — or design your own. Price: Free for up to 500 emails to 250 contacts. Premium starts at per month.
Sendinblue

Email Subscribers and Newsletters, from Icegram, is a newsletter plugin to collect leads and send automated post notifications and email broadcasts — and manage them in one place. Price: Basic is free. Premium plans start at .50 per month.

Hustle offers simple opt-in forms, targeted marketing pop-ups, and designer-made templates for different uses (e.g., Black Friday, giveaway, newsletter sign-up). Set up a range of behavior triggers for your pop-ups and slide-ins, and schedule when the messages deploy. Price: Free plan for one opt-in method. Pro plans start at per month.
MailMunch lets you create an opt-in form as a pop-up, embed, top bar, scroll box, and sidebar. Apply themes, A/B testing, targeting, exit intent, and analytics. Sync your newsletter subscribers to Mailchimp, Constant Contact, AWeber, GetResponse, Campaign Monitor, and more. Price: Free. Premium is .99 per month.
Optin Forms is a simple and easy-to-use opt-in form plugin for new subscribers. Choose from five unique layouts and customize to match your company’s brand. Integrates with major email services, including AWeber, iContact, Mailchimp, GetResponse, and more. Price: Free.

Sumo

MailPoet
AWeber is an email marketing platform with automated messaging, landing page builder, ecommerce pages, and web push notifications. Start with a pre-built template or drag-and-drop editor. Embed AWeber landing pages and sign-up forms on your WordPress site. Price: Free for up to 500 subscribers. Premium plans start at .15 per month.
Rainmaker, another tool from Icegram, is a plugin for creating forms with ready-made templates. Display forms anywhere on your WordPress site using a shortcode. Rainmaker automatically saves all form submissions to the WordPress database. Connect your mailing list service, and automatically subscribe leads to a list. Price: Basic is free. Premium plans start at .25 per month.

Engaged email subscribers are a key revenue driver for many ecommerce companies. But building that list is not easy, with much inbox competition. Fortunately, WooCommerce and other WordPress users can select free plugins for successful email list building.

MC4WP is a plugin to grow your Mailchimp lists and write better emails. Create attractive opt-in forms or integrate with any existing form on your site, such as comment, contact us, or checkout. Price: Free to 2,000 contacts. Premium plans start at per year.
Rainmaker
Sumo offers several tools to build an email list. Use the List Builder app to generate an email collection field after page load, after a mouse hovers, embedded within an article, as a call-to-action button, upon user scroll, and more. Sumo also offers a Welcome Mat, Smart Bar, and Share buttons for social. Sumo integrates with WooCommerce to create unique offers and discount forms. Price: Free up to 10,000 emails per month. Premium plans start at per month.
Newsletter is an email marketing system to create, send, and track emails and responsive newsletters. Utilize subscriber lists and advanced targeting with your campaigns. Manage user subscriptions, email automation, follow-up notifications, and list building. Price: Basic is free. Premium versions start at .

MailPoet is a plugin for creating, sending, and managing newsletters in WordPress. Add a subscription form to your site. Manage your subscribers and lists. Create and automate post notifications and welcome emails. Price: Free for the first 1,000 subscribers. Premium starts at per month.