8 Open Source Alternatives to Sendinblue

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 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.

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.

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.

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.

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.

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 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.