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The Best Open-Source Alternatives to Moosend

Are you looking for a free or self-hosted alternative to Moosend? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Marketing Automation ecosystem. Currently, there are 2 active replacements available, with Mautic being one of the most prominent selections.

Quick Comparison: Moosend vs. Open Source

Full comparison: Moosend vs. Mautic →
CriteriaMoosendOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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Mautic

šŸ“ˆ Trending⭐ 10k+ Stars
NOASSERTION

Mautic is an open-source marketing automation platform that empowers businesses to build and manage targeted, data-driven campaigns without sacrificing user privacy or incurring costly subscription fees. As a powerful, flexible alternative to commercial platforms like Moosend, Mautic offers a secure and customizable solution for automating lead generation, email marketing, and customer engagement.

⭐ 10,271 Stars
šŸ“ 3,387 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION
GPL-3.0

Mailtrain is an open-source email marketing system that enables users to manage email campaigns, automate workflows, and create engaging email templates, providing a highly customizable and privacy-friendly alternative to Moosend. This user-friendly platform empowers businesses and individuals to maintain control over their email data and enjoy seamless integration with their existing infrastructure.

⭐ 5,739 Stars
šŸ“ 706 Forks
ā— 0 Open Issues
šŸ·ļø GPL-3.0

Frequently Asked Questions

What is the best open source alternative to Moosend?

Based on GitHub community data (including star count and fork activity), Mautic stands out as one of the most reliable open-source replacements for Moosend today.

Why should I use an open-source replacement instead of Moosend?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.

Top Open-Source Alternatives to Moosend in 2026