7 Best Open Source Sendinblue Alternatives
A curated collection of the 7 best open source and self-hosted alternatives to Sendinblue in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Sendinblue in 2026? The top open-source alternative is Listmonk — Self-hosted newsletter and mailing list manager.
Other highly rated open-source Sendinblue alternatives include Plunk, Dittofeed and Notifuse.
Self-hosted newsletter and mailing list manager
listmonk is a high-performance, self-hosted newsletter and mailing list manager designed for sending both email campaigns and transactional emails. Built as a single binary application, it offers robust features while maintaining minimal resource usage. - High Performance: Multi-threaded, multi-SMTP email queues with sliding window rate limiting for fine-grained control. Single binary with minimal CPU and memory footprint. - Campaign Management: Create and manage one-way mailing lists with millions of subscribers. Supports single and double opt-in lists with SQL-based querying and segmentation. - Analytics Dashboard: Built-in analytics to visualize campaign performance, bounces, top links, and more across campaigns. - Flexible Templating: Powerful dynamic email templates using Go templating language. Supports HTML drag-and-drop builder, WYSIWYG editor, Markdown, raw HTML, or plain text. - Transactional Emails: Simple API to send arbitrary transactional messages using pre-defined templates. Supports multiple delivery mediums including SMS and WhatsApp via webhooks. - Extensible Architecture: Messenger HTTP webhooks enable integration with SMS, WhatsApp, FCM notifications, or any custom messaging interface. Extensive API coverage for all features. - Privacy Controls: Full privacy control for subscribers with granular subscriber management. - Authentication: OIDC SSO authentication with fine-grained role-based access control. listmonk is a single binary application that can be deployed anywhere. It requires PostgreSQL for data storage and supports installation via: - Direct binary downloads for Linux, macOS, Windows, FreeBSD, NetBSD, and OpenBSD - Docker containers with provided docker-compose.yml - One-click deployments on multiple hosting providers including Nodion, Kloudbean, Northflank, Railway, Zenith, PikaPods, Elestio, Zeabur, Cloudzy, and LumaDock Installation involves generating a configuration file, setting up the database, and running the binary. The application runs on port 9000 by default.
Open-source transactional email platform
Plunk is an open-source, self-hostable email platform designed for transactional emails, marketing campaigns, and automated workflows. Built with privacy in mind, it offers transparent pricing, no contact limits, and full control over your email infrastructure. - Transactional & Marketing Emails: Send both transactional emails and marketing campaigns from a single platform. - Automated Workflows: Trigger workflows based on events sent from your code, with a visual canvas for full transparency. - Inbound Email Handling: Receive emails at your domain by adding an MX record, turning replies into contacts and triggering workflows. - Unlimited Contacts: Store unlimited contacts for free; pay only per email sent ($0.001 per email). - Self-Hosting & Open Source: Fully inspectable, forkable, and self-hostable under AGPL-3.0 license. - MCP Server Integration: Connect AI agents (Claude, Cursor) to manage emails via the Model Context Protocol. - Email Editor & SMTP: Visual editor for emails or direct HTML editing, plus SMTP support for existing clients. - Analytics & Segments: Track delivery, opens, clicks, and bounces per send, with dynamic segments that update in real-time. - License: AGPL-3.0 - Hosting: EU-based cloud or self-hosted via Docker Compose - GitHub Stars: 5,000+ - Setup Time: Under 5 minutes for domain configuration and first send - Exit Strategy: Full control via Docker Compose for seamless migration away from the cloud service.
Open-source customer engagement platform
Dittofeed is an open-source, embeddable customer engagement platform designed for automating messaging across multiple channels including email, SMS, mobile push notifications, and WhatsApp. Built with flexibility in mind, it offers a low-code customer segmentation engine, customizable message templates, and an intuitive drag-and-drop journey builder for creating automated messaging workflows. - Omni-channel Messaging: Support for email, SMS, push notifications, and WhatsApp - Embedded Components: Add messaging features directly within your SaaS application via iframe or React component - Journey Builder: Visual drag-and-drop interface for creating automated messaging workflows - Customer Segmentation: Low-code UI for powerful segmentation with customizable conditions - Template Editor: Easy-to-use editor for creating personalized message templates with subscription controls - Self-hosting: Full control over data with self-hosting capabilities - HIPAA Compliance: Built-in support for healthtech companies requiring HIPAA compliance - Developer-Friendly: Comprehensive documentation, community support via Discord, and changelog updates Dittofeed is designed for self-hosting, giving organizations full control over their data and infrastructure. The platform is built with modern web technologies and can be deployed on any cloud provider or on-premise infrastructure. The GitHub repository provides complete source code, deployment instructions, and ongoing updates. The project is actively maintained with regular releases and community-driven development.
Open-source email platform for newsletters
Notifuse is a modern, self-hosted emailing platform that allows you to send newsletters and transactional emails at a fraction of the cost. It provides a visual MJML editor, A/B testing, analytics, and seamless integrations with industry-leading email delivery providers. - Visual Email Builder: Drag-and-drop editor with MJML components and real-time preview for creating stunning, responsive emails. - Transactional API: REST API for sending transactional emails with responsive templates. - Opens & Click Tracking: Real-time analytics with detailed open rates, click tracking, and engagement metrics. - A/B Testing: Built-in A/B testing for subject lines, content, and send times to optimize campaigns. - Contact Profiles & Timeline: Rich contact profiles with custom fields and complete activity history. - Notification Center: Self-service portal for contacts to manage subscriptions and preferences. - Real-time Segmentation: Segment contacts by properties, activities, and subscriptions for targeted campaigns. - User Permissions: Granular workspace-level access control with multiple roles for team collaboration. - Workspaces: Multi-tenant architecture with custom domains and isolated data for agencies. - Automations: Event-driven workflows built on contact timeline for automated sequences. - S3 File Manager: Integrated file management with S3-compatible storage for images and attachments. Notifuse is open-source and can be self-hosted. It supports integration with multiple email delivery providers including SparkPost, Postmark, Mailjet, Mailgun, and Amazon SES. The platform is designed for scalability and flexibility, making it suitable for both individual users and agencies.
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.
Self-hosted newsletter platform with powerful features, data protection, and full control over your mailing lists and campaigns.
Privacy-first newsletter platform without tracking
Hyvor Post is a privacy-first newsletter platform designed for simplicity and ethical email delivery. Unlike traditional newsletter services that track opens and clicks, Hyvor Post prioritizes reader privacy while providing essential features for content creators. - Privacy-First Design: No tracking of opens, clicks, or subscriber data by default - Customizable Templates: Professionally designed email templates that can be tailored to your brand - Free Subdomains: Get yourname.hyvorpost.io for sending newsletters without owning a domain - Archive Site: Customizable archive site (yourname.hyvorpost.email) to host all sent newsletters - Embeddable Signup Forms: Easy-to-embed newsletter forms with double opt-in functionality - Multiple Lists Management: Organize subscribers into different lists (e.g., Weekly, Monthly) - Team Collaboration: Collaborate with team members on newsletter campaigns - API Integration: Connect with existing systems using Hyvor Post's API - Migration Assistance: Support for migrating subscribers from other platforms - 14-Day Free Trial: Test the platform with test emails before committing Hyvor Post is a fully managed SaaS platform with no self-hosting option. The service operates from servers in France and is GDPR compliant. While the platform itself isn't open source, Hyvor's email delivery service (Hyvor Relay) is first-party infrastructure. The company is based in France and maintains strict privacy standards.
Open source marketing automation platform
Mautic is a free and open source marketing automation platform designed to help businesses automate email campaigns, manage leads, and engage customers effectively. Built for privacy and transparency, Mautic offers a self-hosted solution that eliminates reliance on third-party vendors and ensures full control over your marketing data. - Email Marketing Automation: Create and automate personalized email campaigns with advanced segmentation and scheduling. - Lead Management: Track, score, and nurture leads through customizable workflows and automation rules. - Customer Journey Builder: Design multi-channel customer journeys with drag-and-drop simplicity. - Analytics & Reporting: Gain insights into campaign performance with detailed analytics and customizable dashboards. - Integration Hub: Connect with CRM systems, CMS platforms, and other tools via extensive API support and pre-built integrations. - Self-Hosting: Deploy on your own infrastructure for complete data ownership and compliance with privacy regulations. - Community-Driven: Backed by a global community of developers and contributors, ensuring continuous innovation and support. - Multi-Channel Campaigns: Engage audiences across email, SMS, social media, and web push notifications. Mautic is a PHP-based application that can be self-hosted on any server supporting PHP and MySQL/MariaDB. It supports Docker for simplified deployment and is compatible with major cloud providers. The platform is designed for scalability, making it suitable for businesses of all sizes. For those preferring managed solutions, third-party hosting providers offer turnkey Mautic installations with enterprise-grade support.
About Sendinblue
Brevo is an all-in-one customer platform designed to help businesses build meaningful relationships at scale. With a unified view of the customer journey, Brevo provides intuitive marketing and sales tools including email marketing, marketing automation, SMS, WhatsApp campaigns, CDP, CRM, and more.
Key Features of Sendinblue
- Email Marketing: Create and send newsletters, automated campaigns, and transactional emails with drag-and-drop editors and templates.
- Multi-Channel Campaigns: Engage audiences via SMS, WhatsApp, web/mobile push notifications, live chat, and chatbots.
- Marketing Automation: Build automated customer journeys with triggers, segmentation, and workflows.
- Customer Data Platform (CDP): Unify and activate customer data for smarter marketing decisions.
- CRM & Sales Tools: Manage pipelines, sales automation, and customer interactions with integrated CRM.
- Customer Loyalty: Run fully integrated rewards programs to turn customers into loyal fans.
- Developer-Friendly: Access open APIs, SDKs, and code recipes for seamless integrations.
- 150+ Integrations: Connect with tools like Shopify, WordPress, Stripe, and Zapier.
Tech / Self-Hosting
Brevo is a fully managed SaaS platform with no self-hosting option. It offers enterprise-grade security, custom solutions for mid-market and large teams, and developer resources including API documentation and SDKs.