Best Free Email Marketing Tools in 2026

Klaviyo is an email and SMS marketing platform built for e-commerce. Deep integrations with Shopify, BigCommerce, and stores. Automated flows trigger on customer behavior. Advanced segmentation targets the right customers. Predictive analytics forecast customer lifetime value. Marketing automation powered by your store's data.

SendGrid is a cloud-based email delivery platform that provides transactional and marketing email services with high deliverability and powerful APIs.

beehiiv is a newsletter platform built for growth, offering custom websites, monetization tools, recommendation network, and advanced analytics for content creators.

Mailchimp is an email marketing and automation platform serving millions of businesses worldwide, now part of Intuit. It enables users to create, send, and analyze email and SMS campaigns with drag-and-drop builders, pre-designed templates, and AI-powered content generation tools. The platform includes marketing automation workflows, audience segmentation, A/B and multivariate testing, landing pages, and a website builder. Mailchimp integrates with over 300 apps including Shopify, WooCommerce, Salesforce, and social ad platforms. With predictive analytics and behavioral targeting, it helps small-to-midsize businesses convert subscribers into customers across email, SMS, and social channels.

Loops is an email platform for modern SaaS companies. Beautiful emails with a simple editor. Transactional and marketing emails in one platform. Built for product-led growth with user-triggered emails. Developer-friendly with API and integrations. Email designed for how SaaS companies actually communicate.

Folk is a CRM that feels like a spreadsheet with superpowers. Import contacts from anywhere - LinkedIn, Gmail, CSV, or apps. Customizable fields and views fit your workflow. Email sequences and templates for outreach. Enrichment fills in contact details automatically. Designed for teams who outgrew spreadsheets but don't need enterprise software.

Buttondown is a minimalist newsletter platform focused on simplicity and privacy, offering rich text editing, custom domains, and modular add-on features.

Snov.io finds and verifies email addresses for outreach. Email finding with outreach automation—prospecting to sending in one tool. The finding is automated. The verification helps deliverability. The outreach is integrated. Sales teams prospecting for email contacts use Snov.io for email discovery and outreach.

Mailjet handles transactional and marketing email. Both types of email from one platform—unified sending with solid deliverability. The platform handles both needs. The collaboration features help teams. The API is comprehensive. Teams wanting one platform for all email choose Mailjet for unified email sending.

Flodesk makes email marketing beautiful. Design stunning emails without design skills, build automation, and grow your audience—email for creators who care about aesthetics. The templates are genuinely gorgeous. The editor maintains design quality. Flat pricing means no penalty for growth. Creators and businesses wanting beautiful emails without designers choose Flodesk for aesthetic email marketing.

Constant Contact has done email marketing for small businesses since before most competitors existed. The platform handles the basics well—email campaigns, automation, contact management—without overwhelming complexity. Templates make creating emails straightforward. The list management is reliable. Deliverability benefits from years of sender reputation. Small businesses wanting established, reliable email marketing without learning curves choose Constant Contact for proven basics.

Revue provided newsletter tools for Twitter. Newsletter integrated with Twitter—newsletter service that Twitter acquired and then sunset. The Twitter integration was unique. The service has ended. The memory remains. Revue was a newsletter platform before Twitter closed it.

Omnisend provides e-commerce marketing automation. Email, SMS, and push for online stores—multichannel marketing designed for selling. The e-commerce focus is specific. The channels are integrated. The automation fits retail. E-commerce brands wanting multichannel marketing choose Omnisend for retail automation.

MailerLite provides email marketing with simplicity and value. Clean interface, solid features, and pricing that works for growing lists. The interface is intuitive. The automation is capable. The pricing is friendly. Growing businesses wanting straightforward email marketing choose MailerLite for accessible email.

Builderall is an all-in-one digital marketing platform that bundles website building, email marketing, sales funnels, CRM, chatbots, e-commerce, and dozens of other tools into a single subscription. It targets entrepreneurs and small businesses who want to avoid juggling multiple SaaS subscriptions. The drag-and-drop builder supports responsive sites, landing pages, and membership areas, while built-in automation handles email sequences, SMS campaigns, and abandoned-cart recovery. With over 50 integrated apps, Builderall positions itself as a cost-effective alternative to buying separate tools for each marketing function.