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Best Open Source MailerLite Alternatives

Discover the best open source alternatives to MailerLite.

The best open source alternative to MailerLite is Listmonk. If that doesn't suit you, we've compiled a ranked list of other open source MailerLite alternatives to help you find a suitable replacement. Other interesting open source alternatives to MailerLite are: Postal and Kelia.

MailerLite alternatives are mainly Email Tools. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of MailerLite.

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A cloud-based email marketing solution offering tools for customizable email building, automation, landing pages, surveys, and e-commerce campaigns.

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Open-source platform for managing subscribers, creating campaigns, and sending bulk emails with advanced features and integrations.

Screenshot of Listmonk website

Listmonk is a high-performance, feature-rich newsletter and mailing list manager that puts you in control of your email campaigns. Built with scalability in mind, it offers a robust solution for businesses and individuals alike.

Key benefits of Listmonk include:

  • Self-hosted: Maintain complete control over your data and infrastructure.
  • User-friendly interface: Easily manage subscribers, create campaigns, and analyze results.
  • Powerful templating: Design beautiful emails using a built-in WYSIWYG editor or custom HTML.
  • Advanced segmentation: Target specific audience groups based on various attributes and behaviors.
  • Automation: Set up autoresponders and drip campaigns to engage subscribers automatically.
  • Multiple lists and namespaces: Organize subscribers efficiently across different projects or clients.
  • API and webhooks: Integrate Listmonk seamlessly with your existing tools and workflows.
  • Performance-oriented: Handle large subscriber bases and high email volumes with ease.
  • Comprehensive analytics: Gain insights into campaign performance with detailed reports and metrics.
  • GDPR-compliant: Ensure data privacy and comply with regulations using built-in tools.

Whether you're a small business owner, a large enterprise, or an individual creator, Listmonk provides the flexibility and power you need to manage your email marketing effectively. With its open-source nature, you can customize and extend the platform to meet your specific requirements, making it a versatile solution for all your mailing list needs.

Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.

Screenshot of Postal website

Postal is a powerful, open-source mail delivery platform designed for developers and businesses who need reliable, scalable email infrastructure. With Postal, you can take full control of your email sending capabilities, whether for transactional messages or large-scale marketing campaigns.

Key benefits of Postal include:

  • Self-hosted solution: Deploy Postal on your own servers, maintaining complete control over your email infrastructure and data.
  • Scalability: Handle from a few emails to millions per day with ease, thanks to Postal's efficient architecture.
  • Comprehensive API: Integrate Postal seamlessly into your applications with its well-documented RESTful API.
  • Multiple domains: Manage and send emails from multiple domains within a single Postal instance.
  • Advanced tracking: Monitor email delivery, opens, and clicks with detailed analytics and webhooks.
  • SMTP support: Use Postal as an SMTP server for your existing applications or email clients.
  • Suppression lists: Maintain clean sending practices with built-in suppression list management.
  • Template management: Create and manage email templates directly within the Postal interface.
  • Webhook integrations: Receive real-time notifications about email events for better monitoring and automation.
  • Open-source flexibility: Customize and extend Postal to fit your specific needs, with the backing of an active community.

By choosing Postal, you gain a robust, cost-effective email delivery solution that puts you in the driver's seat, ensuring optimal deliverability and performance for your critical communications.

Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Screenshot of Kelia website

Kelia is a robust, open-source email marketing solution designed for businesses and individuals who prioritize data privacy and control. This self-hosted platform offers a comprehensive suite of features to manage your mailing lists and create engaging campaigns with ease.

Key benefits of Kelia include:

  • Complete data ownership: Host Kelia on your own servers, ensuring full control over your subscriber data and campaign information.
  • User-friendly interface: Intuitive dashboard for effortless list management, campaign creation, and performance tracking.
  • Powerful segmentation: Target your audience effectively with advanced segmentation tools based on subscriber data and behavior.
  • Customizable templates: Create visually appealing emails using a drag-and-drop editor or HTML for more advanced users.
  • Automation workflows: Set up automated email sequences to nurture leads and engage subscribers at the right time.
  • Detailed analytics: Gain insights into campaign performance with comprehensive reports on open rates, click-through rates, and more.
  • API integration: Seamlessly connect Kelia with your existing tools and workflows using the robust API.
  • GDPR compliance: Built-in features to help you maintain compliance with data protection regulations.

By choosing Kelia, you're not just getting an email marketing tool – you're investing in a privacy-first solution that grows with your needs while keeping your data secure and under your control.


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