Which free Email & Automation tool is the best?

Based on our editor score and usability tests, the best free-tier tool in the Email & Automation category is Sendio, followed by Postscript.

Are free marketing tools safe for business?

Yes, vetted free SaaS tools are completely safe. However, they limit monthly usage quotas, team seats, or custom reporting options to encourage upgrading.

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100% Permanent Free Plan List

Best Free Email & Automation Tools (2026)

Get high-performance Email & Automation features completely free. We review and rank tools that offer permanent free subscription tiers.

Vetted Permanent Free Software

Found 23 free tools

Sendio

A next-generation platform for cold email outreach optimized for high-velocity marketing pipelines.

Cold Email OutreachDynamic Contact List Segmentation FiltersReal-time Spam Score & Deliverability Auditing

🎁 Free Tier Advantage: Dynamic Contact List Segmentation Filters

Read Review Start Free

Postscript

A top-rated eCommerce SMS marketing platform built exclusively for Shopify brands to scale mobile revenues.

SMS MarketingShopify SMSRevenue Attribution

🎁 Free Tier Advantage: Free platform access

Read Review Start Free

Bird

An enterprise-grade cloud communications giant (formerly MessageBird) offering high-volume SMS, WhatsApp, Email, and Voice APIs.

WhatsApp MarketingSMS MarketingCloud Communication

🎁 Free Tier Advantage: Direct API integrations access

Read Review Start Free

Hunter.io

The leading email finder and verifier platform for B2B sales and cold outreach.

Email FinderEmail VerifierB2B Sales

🎁 Free Tier Advantage: 25 Monthly Searches

Read Review Start Free

Mailchimp

The industry-standard email marketing and audience management platform built to scale startups.

Email MarketingMarketing AutomationNewsletters

🎁 Free Tier Advantage: 3 Audiences

Read Review Start Free

Klaviyo

The premier ecommerce marketing automation platform specialized in deep database personalization.

Ecommerce EDMAbandoned CartSMS Marketing

🎁 Free Tier Advantage: Up to 250 contacts

Read Review Start Free

ConvertKit

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Creators EmailCreator NetworkPaid Newsletters

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

Brevo

A high-performance digital marketing platform optimized for emailTools campaigns.

Email marketing campaignsSms & whatsapp marketingTransactional email api

🎁 Free Tier Advantage: Email marketing campaigns

Read Review Start Free

HubSpot Marketing Hub

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

All-in-one InboundEmail MarketingForms Builder

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

Omnisend

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Ecommerce EDMSMS MarketingPush Alerts

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

MailerLite

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Simple NewslettersDrag & DropLanding Pages

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

AWeber

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Standard EDMAutorespondersCanva Sync

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

GetResponse

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Funnels BuilderWebinars EngineAI Mail Creator

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

SendGrid

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Transactional APISMTP DeliveryEmail Analytics

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

Mailgun

A high-performance EMAIL marketing tool designed to optimize campaign metrics, automate database workflows, and drive commercial conversions.

Transactional APIDeliverability CheckInbound Routing

🎁 Free Tier Advantage: 1 User included

Read Review Start Free

EmailOctopus

Simple and highly cost-effective email marketing software leveraging Amazon SES API pipelines.

Amazon SES APIHigh Volume EDMNewsletter Software

🎁 Free Tier Advantage: Access to core amazon ses api features

Read Review Start Free

Mailjet

Real-time collaborative email marketing service for design teams and developers to build layouts together.

Collaborative Email DesignerTeam Templates BuilderSMTP Relay

🎁 Free Tier Advantage: Access to core collaborative email designer features

Read Review Start Free

Benchmark Email

Beautifully designed email marketing tool focused on minimalistic layouts and easy automation flows.

Minimalist LayoutsClean Email BuilderSMB EDM

🎁 Free Tier Advantage: Access to core minimalist layouts features

Read Review Start Free

Brevo (Sendinblue)

A premium MarTech analytics gateway fully optimized for custom B2B campaign workflows.

Automated brevo (sendinblue) operational workflowsIntelligent campaigns telemetry analytics

🎁 Free Tier Advantage: Access to core automated brevo (sendinblue) operational workflows features

Read Review Start Free

Outbox Pilot

A next-generation platform for newsletter marketing optimized for high-velocity marketing pipelines.

Newsletter MarketingBehavioral Nurture Journey Mapping EngineDynamic Contact List Segmentation Filters

🎁 Free Tier Advantage: Behavioral Nurture Journey Mapping Engine

Read Review Start Free

Nurture Flow

A next-generation platform for marketing automation optimized for high-velocity marketing pipelines.

Marketing AutomationHigh-deliverability SMTP SMTP ServersA/B Testing for Subject Lines & Call to Actions

🎁 Free Tier Advantage: High-deliverability SMTP SMTP Servers

Read Review Start Free

Blastgrid

A next-generation platform for marketing automation optimized for high-velocity marketing pipelines.

Marketing AutomationVisual Email Template builder with drag-and-dropHigh-deliverability SMTP SMTP Servers

🎁 Free Tier Advantage: Visual Email Template builder with drag-and-drop

Read Review Start Free

Mail Ify

A next-generation platform for cold email outreach optimized for high-velocity marketing pipelines.

Cold Email OutreachHigh-deliverability SMTP SMTP ServersBehavioral Nurture Journey Mapping Engine

🎁 Free Tier Advantage: High-deliverability SMTP SMTP Servers

Read Review Start Free

Important: Limitations of Free Plan Software

Free subscription options are outstanding for bootstrapping creators and startups to validate products. However, keep in mind that free tiers typically feature strict caps on monthly volume limits (such as email send limits or monthly analytics visitor counts). When your business scales, upgrading to paid plans ensures you have full developer API keys, advanced custom reporting worksheets, and SLA priority support.