Email Marketing & Newsletters

MA

Mailgun

4.5/5.01 verified review

Paid·$35/mo

Transactional email API and delivery service built for developers.

• Highly reliable REST APIs and SMTP protocols for complex technical integrations.
• Advanced delivery optimization and email validation tools.
• Scalable infrastructure capable of processing massive message volumes.

GH

Ghost

4.5/5.01 verified review

Freemium·Open Source·MIT

Professional open-source publishing platform with built-in newsletters and monetization.

• Open-source and self-hostable with no licensing restrictions for self-management.
• Integrated business model with native payment gateways and newsletters.
• Minimalist content editor optimized for speed and readability.

55.7kstars on GitHub

BE

beehiiv

4.5/5.01 verified review

Freemium

Newsletter publishing and monetization platform for creators and publishers.

• Built-in recommendation network and growth tools.
• Custom domain support and intuitive visual editor.
• Zero take rate on paid subscriptions for eligible plans.

HU

Hunter

4.5/5.01 verified review

Freemium

Platform to find and verify professional email addresses with AI and API support.

• Real-time email verification with high reliability.
• Native API and MCP server integration for AI workflows.
• Intuitive interface for bulk domain-based contact searches.

SE

SendGrid

4.5/5.01 verified review

Freemium

Email API and marketing campaign platform at scale integrated into Twilio.

• Solid infrastructure with proven high delivery rates for billions of monthly emails.
• Comprehensive APIs and SDKs for multiple programming languages making integration straightforward.
• Integrated tools for marketing campaign management and workflow automation.

RE

Resend

4.5/5.01 verified review

Freemium·Open Source·MIT

Modern email API for developers and scalable web applications

• Superior developer experience with SDKs for multiple programming languages.
• Modern RESTful API with support for batch email sending.
• Proactive blocklist monitoring and deliverability tracking.

83stars on GitHub

SM

Smile.io

4.4/5.01 verified review

Paid·$99/mo

Native loyalty and referral platform for Shopify and Shopify Plus brands.

• Advanced native integration with Shopify, Shopify Plus, and Shopify POS.
• Support for multiple retention mechanics including points, VIP, and referrals.
• SOC 2 Type II compliance and enterprise-grade security standards.

SI

Sinch

4.4/5.01 verified review

Contact Sales

Programmable communications infrastructure for SMS, voice, email, and video APIs.

• Broad global carrier coverage for SMS and voice with high deliverability
• Well-documented APIs and SDKs across multiple programming languages
• Integrated serverless functions to execute communication logic without dedicated servers

BU

Buttondown

4.4/5.01 verified review

Freemium

Minimalist email newsletter platform for creators and developers

• Clean and minimalist interface focused on straightforward writing.
• Comprehensive REST API for advanced integrations and automated workflows.
• Guaranteed data portability with simple export options.

SE

Sendoff

4.4/5.01 verified review

Free·Open Source·MIT

Send newsletters and announcements to your list from Claude or Codex using AWS SES.

• Fully self-hosted architecture on Cloudflare and AWS.
• Direct integration with AI agents like Claude or Codex.
• Uses React Email for layout design.

10stars on GitHub

MA

MailerLite

4.4/5.01 verified review

Freemium

Email marketing and website building platform designed for creators and growing businesses.

• Intuitive drag and drop editor for rapid campaign assembly.
• Powerful visual automation builder with advanced trigger logic.
• Built-in landing page and website creation tools.

SM

Smartlead

4.4/5.01 verified review

Paid·$49/mo

AI-native outbound operating system for running cold email campaigns at scale.

• Supports unlimited mailboxes and storage for high-volume outreach campaigns
• Includes native AI-powered email warmup for IPs and domains
• Unified master inbox to manage replies from multiple email accounts