Best Email Marketing & Lead Capture for WordPress in 2026

CRM-based marketing automation, sold as one hub of a suite with sales and customer service software.

Campaign and transactional email on one platform, owned by Sinch.

SMS and email marketing platform sold as a B2C CRM, with AI agents that build flows from a prompt.

Atlanta-founded email marketing platform, part of Intuit since 2021.

Adobe's B2B marketing automation platform, part of Experience Cloud.

Lead generation and nurturing platform for B2B marketing teams, from Salesforce.

Email marketing and newsletter platform for small businesses and creators that also builds websites and sells paid subscriptions.

Popup and lead capture tool that collects sign-ups for whichever service sends the mail.

Marketing automation over email, SMS and WhatsApp, with a CRM and AI agents for recurring tasks.

Embeddable subscribe forms that feed readers from an outside website into a beehiiv newsletter.

Store-focused email and SMS marketing for Shopify, WooCommerce and other ecommerce platforms.

Creator-focused email marketing platform, formerly called ConvertKit.

Cloud marketing automation for B2B marketers, sold by Oracle as one of its marketing products.

Newsletter software for writers and creators that counts only active subscribers when it bills.

Text-message marketing platform that took on email in 2023 and builds in tools for US texting rules.

Hosted email marketing with website building and online selling in the same place.

Quiz and popup builder that online stores use to capture leads and tailor offers to each shopper.

Membership signups and newsletters built into the open-source Ghost publishing platform.

Website bars and popups from a tool co-created by marketer Neil Patel.

Cross-channel customer engagement platform for large brands, priced on monthly active users.

Journey-based email marketing service with benchmarked campaign reports.

Shopify-focused app for email and popup marketing, made for online stores.

Salesforce's email and cross-channel messaging platform for consumer brands, developed from the ExactTarget product it bought in 2013.

Substack's newsletter signup form, placed on a website that lives outside Substack.

Zoho's email, SMS and WhatsApp campaign tool for small businesses.

CRM and marketing automation built for small businesses, with drag-and-drop workflows.

SaaS-focused email platform, billed on subscribed contacts rather than on sends.

WordPress plugin for newsletters and WooCommerce emails, written and sent from the dashboard.

Workflow-driven email marketing platform that also delivers transactional messages.

List-growth popups plus email and SMS marketing for ecommerce brands and Shopify stores.

Gamified popups and signup campaigns for shop websites, with data reporting behind each one.

Opt-in form plugin for WordPress from Elegant Themes, the company behind the Divi theme.

Behaviour-triggered email and messaging for onboarding and activating the users of a software product.

Email-only marketing service that deliberately leaves SMS and add-on services out.

Design-led email marketing that builds graphics inside the email, with no outside design software.

Visitor-identification and popup app for growing a store's email and SMS lists.

Open-source marketing automation software that organisations can run on their own servers.

Exit-intent popup builder that also sends email campaigns and automations.

Retention marketing for ecommerce stores, built around text messages with RCS and email alongside.

Agency-focused marketing automation platform with a CRM built into the same product.

Thrive Themes' lead-capture plugin for WordPress, with built-in A/B testing of opt-in forms.