ActiveCampaign
Email marketing and CRM platform for customer experience automation
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Discover top open-source software, updated regularly with real-world adoption signals.
Discover top open-source software, updated regularly with real-world adoption signals.
Open-source email marketing automation and campaign management platform
Web-based email marketing solution for newsletters, multi-stage campaigns, transactional emails, and autoresponders with full automation capabilities.
OpenEMM is a comprehensive web-based platform designed for organizations seeking full control over their email marketing operations. Built for marketing teams, agencies, and enterprises that require sophisticated campaign management without vendor lock-in, it delivers newsletter distribution, multi-stage campaign orchestration, transactional messaging, and autoresponder functionality.
The platform features a dual-architecture design with a Python-based backend and Java/JavaScript frontend, offering flexibility for technical teams comfortable with building from source. Organizations can deploy OpenEMM on their own infrastructure, maintaining complete data sovereignty and customization potential. The AGPL-3.0 license ensures transparency while supporting community-driven development.
OpenEMM requires manual compilation of both backend and frontend components, with configuration through property files for BIRT reporting and web services. This approach suits teams with development resources who value architectural control over turnkey simplicity. Commercial extensions are available through OpenEMM Plus for organizations requiring additional enterprise features or professional support.
When teams consider OpenEMM, these hosted platforms usually appear on the same shortlist.
Looking for a hosted option? These are the services engineering teams benchmark against before choosing open source.
Enterprise Newsletter Distribution
Deploy branded newsletter campaigns to large subscriber bases while maintaining complete control over customer data and infrastructure
Multi-Touch Marketing Automation
Orchestrate complex, multi-stage email sequences with conditional logic and autoresponders for lead nurturing workflows
Transactional Email Management
Send order confirmations, password resets, and account notifications through the same platform handling marketing communications
Regulated Industry Compliance
Meet strict data residency and privacy requirements by hosting email marketing infrastructure within controlled environments
You need familiarity with Python and Java build tools (Ant), command-line operations, and server administration. The backend uses Python while the frontend requires Java compilation with custom property file configuration.
The platform requires technical expertise for initial setup and deployment. Organizations without development resources should consider managed hosting options or commercial alternatives with simpler installation processes.
OpenEMM is the core open-source platform under AGPL-3.0 license. OpenEMM Plus offers commercial extensions with additional enterprise features and professional support from the vendor.
Yes, the platform supports both transactional emails (order confirmations, password resets) and marketing campaigns (newsletters, multi-stage campaigns) within a single deployment.
Technical documentation is available in the OpenEMM Wiki, community support through the OpenEMM Forum, and additional resources on the official website. The GitHub repository contains build instructions and source code.
Project at a glance
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