Open Source Alternatives to Mailchimp

Billion Mail

AGPL-3.0

Self-hosted email marketing platform with unlimited sending, AI-powered email creation, real-time analytics, and no monthly fees. Complete SMTP solution.

Dittofeed

MIT

Dittofeed offers low-code tools for message automation across multiple channels, including powerful segmentation and personalization features.

Hyvor Post

AGPL-3.0

Create and send newsletters with complete privacy protection. No tracking, no data collection - just simple, clean email delivery with customizable templates and archive sites.

Keila

AGPL-3.0

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

Listmonk

AGPL-3.0

Send email campaigns and transactional messages to millions of subscribers with a single high-performance binary backed by Postgres.

Mautic

Unknown

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

Notifuse

Unknown

Free open-source email platform for newsletters and transactional emails. Self-hosted alternative to Mailchimp with visual MJML editor, A/B testing, and analytics.

Plunk

AGPL-3.0

Plunk unifies marketing, transactional, and broadcast emails into a single, complete solution for businesses of all sizes.

Postal

MIT

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

Sendportal

MIT

Open-source email marketing platform offering unlimited subscribers, campaigns, and workspaces. Self-hosted solution with powerful API and beautiful interface.

Sendune

MIT

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

useSend

AGPL-3.0

Open source email platform for transactional and marketing emails. Self-host or use cloud service with transparent pricing - pay only for emails sent.