The best open source alternative to Brevo is Listmonk. If that doesn't suit you, we've compiled a ranked list of other open source Brevo alternatives to help you find a suitable replacement. Other interesting open source alternatives to Brevo are: Billion Mail, Postal, Mautic, and Plunk.
Brevo alternatives are mainly Email Marketing & Newsletter Tools but may also be Marketing Automation Tools or Email Platforms. Browse these if you want a narrower list of alternatives or looking for a specific functionality of Brevo.
Open-source platform for managing subscribers, creating campaigns, and sending bulk emails with advanced features and integrations.

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:
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.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

BillionMail is a comprehensive open-source email marketing platform that combines a powerful SMTP mail server with advanced marketing tools. Unlike traditional SaaS solutions, this self-hosted platform eliminates monthly subscription fees while providing unlimited email sending capabilities with no built-in speed limits.
The platform features AI-powered email creation that generates branded emails from simple text descriptions, making campaign creation effortless. Users can design professional emails, product launches, and newsletters with just a few clicks, complete with brand alignment and preview functionality.
Key technical advantages include step-by-step DNS configuration guidance for SPF, DKIM, and DMARC records, ensuring deliverability rates that match commercial platforms. The real-time analytics dashboard provides instant insights into sent volume, deliverability rates, open rates, and click-through rates.
Installation takes just 8 minutes with a simple command-line setup. The platform supports domain verification, automatic SSL enablement, and flexible campaign scheduling. Cold email capabilities make it ideal for outreach campaigns, while the data visualization tools help optimize performance.
Perfect for businesses seeking complete email independence without recurring costs, BillionMail offers enterprise-level features in an open-source package that you fully control.
Self-hosted email delivery platform with powerful features for transactional and bulk emails, offering full control and customization.

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:
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.
Mautic is a free and open source marketing automation platform that helps businesses manage leads, create campaigns, and analyze results.

Mautic is the world's largest open source marketing automation project, empowering over 200,000 organizations to grow their communities and reach their marketing goals. With support for 35+ language translations and contributions from 1,000+ community members, Mautic offers a robust and flexible solution for businesses of all sizes.
Key features of Mautic include:
As an open source platform, Mautic offers unparalleled customization options and the ability to extend functionality through plugins and integrations. Whether you're a small business owner or part of a large enterprise, Mautic provides the tools you need to create engaging marketing campaigns and drive growth.
Join the Mautic community today and take control of your marketing automation with a powerful, flexible, and cost-effective solution.
Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.

Plunk is revolutionizing the email marketing and communication landscape with its comprehensive, open-source platform. Here's what makes Plunk stand out:
All-in-One Solution: Plunk combines marketing, transactional, and broadcast emails in one platform, eliminating the need for multiple tools and simplifying your email strategy.
Affordable Pricing: With a cost-effective model of $0.001 per email, Plunk is up to 5 times cheaper than competitors like Mailchimp, Twilio SendGrid, and Mailgun. You only pay for what you use, not for unused contacts.
Privacy-Focused: All data is hosted, stored, and processed in the EU, adhering to strict privacy standards. Plunk prioritizes security, transparency, and data ownership.
Powerful Features:
Responsive Email Editor: Build responsive emails using Plunk's editor or import your own HTML, ensuring your emails look great even in Outlook.
Open-Source Advantage: As an open-source platform, Plunk offers transparency, customizability, and community-driven improvements.
User-Friendly: With an intuitive UI and easy setup, Plunk is accessible for businesses of all sizes and technical expertise levels.
Generous Free Tier: Send up to 3,000 emails per month for free, with no credit card required.
Plunk is trusted by over 1,000 companies, offering a blend of affordability, functionality, and privacy that makes it an attractive alternative to traditional email service providers. Whether you're sending transactional emails, marketing campaigns, or automated sequences, Plunk provides the tools and flexibility to make your email communication delightful and effective.
Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

Dittofeed is an open-source customer engagement platform that modernizes marketing automation. It provides a suite of tools for creating and managing customer messaging campaigns across various channels.
Key features include:
Journeys: A drag-and-drop GUI for automating marketing and transactional messages based on user actions. It supports multi-trigger journeys, integrated branch-based analytics, and local timezone scheduling.
Segments: A powerful segmentation engine with a low-code UI. Users can create segments based on performed events, identify events, subscription status, and unlimited AND/OR conditions.
Templates: An HTML/MJML editor for creating message templates with easy personalization using Liquid syntax. It includes features for testing messages and drafts.
Channels: Omni-channel support for delivering automated messages, including email, SMS, and webhooks for mobile push, Slack, WhatsApp, and more.
Developer-friendly: Dittofeed offers various authentication modes, REST and Admin APIs, SDKs for multiple platforms, and a robust infrastructure built on Postgres, ClickHouse, and Temporal.
Self-hosting option: Users can self-host Dittofeed to maintain full control of their data and avoid vendor lock-in.
Integrations: Supports various message channels (e.g., Amazon SES, Resend, Postmark, Twilio SMS), data sources (REST API, Twilio Segment, Polytomic), and data destinations (Hubspot, CSV).
Dittofeed positions itself as an alternative to established platforms like MailChimp and Iterable, offering innovation and improvement without excessive pricing. It's suitable for organizations of various sizes that need to automate user messaging, with a UI simple enough for non-technical team members to use.
The platform is available as a cloud service with a 14-day free trial, starting at $75/month, or as a free self-hosted option. Dittofeed also offers responsive support through Slack Connect, Discord community, and email.
Looking for open source alternatives to other popular services? Check out other posts in the alternatives series and openalternative.co, a directory of open source software with filters for tags and alternatives for easy browsing and discovery.
Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.

Notifuse is a modern, self-hosted email platform that provides a cost-effective alternative to expensive services like Mailchimp, Brevo, and Klaviyo. Built for developers and marketers who want complete control over their email infrastructure without the recurring costs.
Key Features:
Benefits:
Perfect for businesses, agencies, and developers who want professional email marketing capabilities without vendor lock-in or escalating costs.
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.

Keila 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 Keila include:
By choosing Keila, 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.
A comprehensive platform for managing transactional and marketing emails through AWS SES, featuring customer data management, SMS capabilities, and workflow automation.

SENDUNE transforms AWS Simple Email Service into a powerful email management platform. It seamlessly integrates with your AWS account to provide robust features for both transactional and marketing communications.
Key capabilities include:
The platform delivers exceptional performance with:
Perfect for businesses looking to leverage AWS SES without dealing with its complexity while maintaining high deliverability and scalability.
Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.

Take complete control of your email marketing with this self-hosted, open-source platform that puts your data back in your hands. Built on Laravel, this modern solution offers unlimited subscribers, campaigns, and workspaces without the recurring costs of traditional services.
Key features include:
Save significantly compared to MailChimp, Campaign Monitor, and other hosted services while maintaining full control over your data. The open-source nature means you can customize it to fit your exact needs, backed by the Laravel community.
Perfect for businesses wanting to reduce email marketing costs while gaining complete ownership of their subscriber data and campaigns.
Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.

Privacy-first newsletter platform that respects both creators and subscribers by completely eliminating tracking and data collection. Unlike traditional platforms that monitor opens, clicks, and reader behavior, Hyvor Post focuses purely on content delivery.
Key features include:
The platform offers a refreshingly simple interface that lets you focus on writing quality content rather than navigating complex features. With professional email templates, easy customization options, and built-in compliance features, you can create beautiful newsletters without compromising your readers' privacy.
Perfect for content creators, businesses, and organizations who value ethical email marketing and want to build genuine relationships with their audience without surveillance.