10 Open Source Alternatives to Mailchimp

A list of 10 carefully selected open-source alternatives to Mailchimp.

Adrian
Created by
Adrian
Mar 9, 2025Updated10 min read

The open-source alternatives are ranked based on our custom ranking system and score. This system takes into account various factors to determine the best alternatives.

If you’re looking for alternative features or workflows, here is a prepared detailed list of Mailchimp open-source alternatives — each with its own distinctive strengths and key features.

#1
Dittofeed logo

Dittofeed

2,172
215

Dittofeed is an open-source customer engagement platform that automates transactional and marketing messages across multiple channels. It combines low-code automation with powerful APIs and developer tools to ensure efficient, scalable, and flexible communication strategies.

Dittofeed screenshot

Key Features

  • Omni-channel messaging automation for marketing and transactional triggers
  • Low-code interface with drag-and-drop journey builder
  • Customizable segmentation and personalized templates
  • Comprehensive APIs and SDKs for seamless integration
  • Option for self-hosting to maintain control of customer data
  • Robust, scalable infrastructure and integrated analytics

Dittofeed enables organizations to trigger and personalize messages via email, SMS, mobile push, WhatsApp, Slack, and more. Built with developer efficiency in mind, the platform offers a low-code drag-and-drop interface for crafting journeys, segmentation, and templates. It provides robust APIs, SDKs, and a self-hosting option to avoid vendor lock-in, while integrating advanced analytics and powerful infrastructure components like Postgres, ClickHouse, and Temporal.

Laudspeaker is an open source solution for customer engagement and product onboarding, providing robust multi-channel messaging and interactive user journeys to drive user activation and retention. It offers both cloud and self-hosted options, giving businesses the flexibility and control needed to personalize communication effectively.

Laudspeaker screenshot

Key Features

  • Open Source and self-hostable for complete control
  • Multi-channel messaging across push, email, and SMS
  • Visual journey and segment builder for intuitive workflow design
  • SDK integrations for mobile app notifications and event tracking
  • Personalization, segmentation, and A/B testing for targeted engagement

Laudspeaker empowers you to design and execute effective product onboarding flows and user journeys across push, email, SMS, and more. Its intuitive visual journey builder, combined with robust segmentation, A/B testing, and native SDK integrations, helps businesses personalize messages and reduce churn. Trusted by global brands and fintech, it enables timed campaigns and event-triggered notifications to guide users to their 'aha' moments.

#3
Mautic logo

Mautic

7,734
2,754

Mautic is the world's largest open source marketing automation software that empowers businesses to streamline their marketing efforts with flexibility and control. It combines intuitive campaign management with powerful tools like drag-and-drop email and landing page builders to deliver personalized, omnichannel experiences.

Mautic screenshot

Key Features

  • Intuitive, click-and-drag campaign builder
  • Drag-and-drop email and landing page designer
  • Privacy-focused features for GDPR compliance
  • True data sovereignty through self-hosting options
  • Seamless integrations via REST API and plugins

Mautic automates your marketing processes through a user-friendly campaign builder that simplifies workflow design. It offers robust email and page creation tools optimized for mobile and desktop, while ensuring data privacy and sovereignty by allowing self-hosting. With a powerful REST API and extensive plugin ecosystem, Mautic integrates seamlessly into your existing systems, making complex campaign management accessible for businesses of all sizes.

#4
Plunk logo

Plunk

3,881
195

Plunk is an open-source email platform offering an all-in-one solution for marketing, transactional, and broadcast emails. It simplifies email communication by unifying different functionalities into one affordable tool, all while prioritizing privacy and responsive design.

Plunk screenshot

Key Features

  • Unified platform for marketing, transactional, and broadcast emails
  • Cost-effective pricing at $0.001 per email
  • Powerful automation and repeatable workflows
  • Responsive email design compatible with various clients
  • Privacy-first approach with EU-based data handling
  • Transparent, open-source development

Plunk merges your email needs by combining marketing, transactional, and broadcast functionalities into one seamless platform. It features powerful, repeatable automations and a responsive email editor that works even in Outlook. With EU-based data hosting and an open-source codebase, Plunk ensures privacy and transparency. Pricing is competitive at $0.001 per email, making it a cost-effective solution for businesses.

#5
Listmonk logo

Listmonk

16,222
1,509

Listmonk is a high-performance, self-hosted newsletter and mailing list manager delivered as a single binary app. It features a modern dashboard and is completely free and open source under AGPLv3.

Listmonk screenshot

Key Features

  • Self-hosted and open source (AGPLv3)
  • High performance with multi-threaded email queues
  • Supports millions of subscribers and customizable, dynamic templates
  • Efficient SQL-based segmentation and analytics
  • Multiple deployment options including binary, Docker, and one-click hosting providers
  • Extensible with webhooks for SMS, Whatsapp, and other messaging services

Listmonk offers an integrated platform to manage massive mailing lists, send transactional messages, and create dynamic email templates using the Go templating language. Its design supports high-throughput email queues, real-time analytics, and extensive subscriber segmentation with SQL expressions, all while running on minimal system resources.

#6
Postal logo

Postal

15,283
1,092

Postal is a fully featured open source mail delivery platform that handles both incoming and outgoing emails. It offers users a robust solution comparable to popular services like Sendgrid or Mailgun, with the freedom to run it on their own servers.

Postal screenshot

Key Features

  • Comprehensive web interface for managing mail servers and logs
  • Scalable architecture for dynamic load management
  • Webhooks for real-time notifications on message delivery
  • Development mode for testing and message review
  • IP pools to optimize and maintain IP reputation
  • Spam and anti-virus integrations with SpamAssassin, rspamd, and ClamAV

Postal provides a complete mail delivery solution for websites and web servers with a user-friendly web interface, scalable infrastructure, and advanced integrations such as webhooks, spam and anti-virus tools, and IP pool management. Its development mode facilitates testing by holding messages, while the comprehensive dashboard allows for efficient server management and mail log tracking.

Unsend is an open source alternative to traditional email services like Resend, Sendgrid, and Postmark. It streamlines sending transactional, marketing emails, SMS, and push notifications, making communication effortless for developers.

Unsend screenshot

Key Features

  • Effortless setup for transactional emails
  • Reliable inbox delivery with bounce and complaint notifications
  • No-code email builder with versatile templates
  • Click and open tracking for actionable engagement insights
  • Supports SMS and push notifications alongside emails

Unsend provides a robust sending infrastructure that enables developers to integrate email, SMS, and push notification functionalities in minutes. It features a straightforward API, simple configuration, and practical code examples for various programming languages, ensuring your messages reach the inbox, not the spam folder.

Mailcoach is a robust, self-hosted email marketing platform designed for creators, developers, and growing businesses. It features a modern interface where you can manage newsletters, automations, campaigns, and transactional emails with ease. The platform is engineered for precision, flexibility, and a developer-friendly experience.

MailCoach screenshot

Key Features

  • Comprehensive campaign, automation, and transactional email management
  • Multiple email editors including Markdown, HTML, and MJML
  • Advanced segmentation, split testing, and analytics
  • Predictable, pay-as-you-go pricing based on emails sent
  • GDPR compliant hosting and data security
  • Self-hosted option for complete control and customization

Mailcoach delivers a complete email marketing solution by enabling users to create, schedule, and analyze campaigns, automations, and transactional emails. Built on Laravel, it supports multi-step workflows, split testing, detailed analytics, and advanced segmentation. Enjoy flexible content creation with multiple editors including Markdown and MJML, along with the option to integrate your own email provider while staying fully GDPR compliant.

#9
Kelia logo

Kelia

1,576
94

Kelia is an open source newsletter tool that simplifies the management and creation of personalized email campaigns. Developed in Germany and hosted in the EU, it offers flexible editing options and robust analytics for effective email marketing.

Kelia screenshot

Key Features

  • Multiple editor options: visual, Markdown, MJML, and plain text
  • Responsive email design with rock-solid base templates
  • Customizable forms with captcha protection and double-opt-in
  • Powerful segmentation and dynamic personalization with Liquid
  • Comprehensive API integration and flexible automation
  • EU hosting ensuring adherence to strict privacy standards

Kelia makes newsletter management seamless by providing multiple editor options including a visual block editor, Markdown-based editor, MJML, and plain text support. The tool helps manage contacts, design responsive emails, and secure sign-up forms with captcha and double-opt-in features. Keila also offers powerful segmentation, personalized templates using Liquid, and comprehensive API integration for advanced workflows.

SendPortal is an open-source, self-hosted email marketing software that empowers you to manage newsletters cost-effectively and securely. It offers a full suite of email campaign tools, giving you complete control over your data and communications.

Sendportal screenshot

Key Features

  • Self-hosted solution ensuring full data control
  • Cost-effective alternative to premium email marketing platforms
  • Beautiful, intuitive interface with unlimited capacity
  • Seamless integration with top email service providers
  • Robust REST API for custom integrations
  • Advanced subscriber and campaign management features
  • Support for multiple workspaces and teams

SendPortal delivers comprehensive email marketing functionalities including subscriber management, campaign creation, and detailed message tracking. Compatible with popular email delivery services such as AWS SES, Mailgun, Sendgrid, Postmark, and Mailjet, it also offers a powerful REST API for easy integration. Designed for flexibility, it supports unlimited users, subscribers, segments, and messages, and allows for managing multiple workspaces in one unified interface.

Price comparison of Mailchimp open-source alternatives

ToolTier 1Tier 2Tier 3Details
Dittofeed logo
Dittofeed
-
Self-hosting
$75
Cloud Offering
-Learn more
Laudspeaker logo
Laudspeaker
$0
Free
$300
Startup
$1000
Growth
Learn more
Plunk logo
Plunk
$0.001
Pay as You Go
--Learn more
MailCoach logo
MailCoach
$9.99
Creator Plan
--Learn more

* Pricing shown is based on publicly available information and may not reflect current rates. Visit each tool's website for detailed pricing information and additional tiers.

About Mailchimp

Mailchimp is a brand that provides a range of solutions and services to help businesses effectively manage their email marketing campaigns. With Mailchimp, you can send personalized emails that convert, reach your customers through SMS marketing, amplify the conversation across multiple channels with social media marketing, and create a branded web presence with customized websites. The platform also offers audience management tools to target and segment customers, marketing automation to deliver the right message at the right time, templates for easy customization, and reporting and analytics to track sales and campaign performance. In addition, Mailchimp offers resources such as AI marketing tools, e-commerce solutions, digital content creation, and industry insights. With over 300 integrations including Shopify, Salesforce, and BigCommerce, Mailchimp caters to various industries like e-commerce, mobile and web apps, start-ups, agencies, and freelancers.
This comparison data was compiled with AI assistance.
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Mailchimp

Mailchimp has email marketing, ads, landing pages, and CRM tools to grow your business on your terms. Get the word out with email, social ads, and make your life easier with automation. It's easy, and you can start for free.

Employees

501

Location

Atlanta, United States

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