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The Best Open-Source Alternatives to EngageBay

Are you looking for a free or self-hosted alternative to EngageBay? 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 6 active replacements available, with Mautic being one of the most prominent selections.

Quick Comparison: EngageBay vs. Open Source

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

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Mautic

📈 Trending⭐ 10k+ Stars
NOASSERTION

Mautic is a comprehensive, open-source marketing automation platform that allows businesses to create engaging campaigns, manage leads, and analyze customer behavior, while maintaining complete control over their data and adhering to strict privacy standards. As a privacy-friendly alternative to EngageBay, Mautic offers unparalleled flexibility and customization options, empowering users to build a bespoke solution that aligns with their unique needs and values.

10,259 Stars
🍴 3,387 Forks
0 Open Issues
🏷️ NOASSERTION
AGPL-3.0

SuiteCRM is a robust, open-source CRM (Customer Relationship Management) platform that empowers businesses to manage contacts, leads, and customer interactions while prioritizing data security and control. As a cost-effective, customizable alternative to commercial solutions like EngageBay, SuiteCRM offers a flexible and transparent approach to CRM management, free from data ownership and usage concerns.

5,602 Stars
🍴 2,384 Forks
0 Open Issues
🏷️ AGPL-3.0
AGPL-3.0

EspoCRM is a versatile, open-source customer relationship management system that offers seamless customization, comprehensive data management, and robust security features, making it a reliable alternative to EngageBay for small to medium-sized businesses and individuals alike. This self-hosted solution prioritizes user data privacy and autonomy, ensuring that organizations maintain full control over their customer information.

3,185 Stars
🍴 918 Forks
0 Open Issues
🏷️ AGPL-3.0
NOASSERTION

YetiForce offers a comprehensive, customizable, and scalable CRM system, empowering businesses to manage contacts, sales, marketing, and support functions while maintaining complete data ownership and control. As a highly extensible and open-source platform, YetiForce provides a privacy-friendly alternative to EngageBay, avoiding lock-in and ensuring seamless customization and integration.

1,793 Stars
🍴 775 Forks
0 Open Issues
🏷️ NOASSERTION
AGPL-3.0

CiviCRM is a robust, privacy‑first, open‑source CRM that empowers nonprofits, NGOs, and civic organizations to manage contacts, fundraising, events, and communications—all without vendor lock‑in. Its modular architecture and strong data‑ownership controls make it an ideal, GDPR‑compliant alternative to EngageBay for organizations seeking full control over their constituent data.

766 Stars
🍴 892 Forks
0 Open Issues
🏷️ AGPL-3.0
AGPL-3.0

Zurmo is a robust, open-source CRM (Customer Relationship Management) and marketing automation platform built on top of Yii2 PHP framework, offering a flexible, scalable, and customizable solution for managing leads, contacts, and customer interactions. As a private-by-design alternative to EngageBay, Zurmo empowers businesses and organizations to maintain control over their data, without compromising on functionality, ensuring a trustworthy and secure customer relationship management experience.

107 Stars
🍴 46 Forks
0 Open Issues
🏷️ AGPL-3.0

Frequently Asked Questions

What is the best open source alternative to EngageBay?

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

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

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 EngageBay in 2026