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Open-source repos for email campaigns

22 repos tagged Email campaigns, sorted by GitHub stars. Add filters from the other category types to narrow the list.

22repos tagged Email campaigns

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  1. knadh/listmonk

    Newsletter tool you host yourself that handles subscriber lists, campaigns, templates and analytics from one binary.

    Newsletter publishing, Email, Docker, Marketing, Media and publishing, SaaS, Newsletters, Self hosters

    24.1k starsAGPL-3.0Updated 3 Nov 2026

  2. resend/react-email

    Write and preview email templates as React components that render to cross-client HTML.

    Email, Engineering, Marketing, SaaS

    19.9k starsMITUpdated 31 Oct 2026

  3. mjmlio/mjml

    Markup language that compiles to responsive HTML emails that render correctly across mail clients.

    Email, Marketing, Engineering

    18.3k starsMITUpdated 23 Oct 2026

  4. postalserver/postal

    Mail delivery platform for sending transactional and bulk email from your own servers, like a self-hosted SendGrid.

    Email hosting, Email, Engineering, Operations, SaaS, Self hosters, Solo founders

    16.9k starsMITUpdated 30 Oct 2026

  5. Billionmail/BillionMail

    Self-hosted mail server plus newsletter and email marketing platform.

    Newsletter publishing, Email, Docker, Marketing, E-commerce, Newsletters, Self hosters

    16.2k starsAGPL-3.0Updated 11 Jun 2026

  6. leemunroe/responsive-html-email-template

    Simple responsive HTML email template that works across common mail clients.

    Newsletter publishing, Email, Marketing, Newsletters

    13.7k starsMITUpdated 20 Aug 2024

  7. mautic/mautic

    Open-source marketing automation platform for email campaigns, segments, lead scoring and landing pages.

    Workflow automation, Lead generation, Landing pages, Email, Marketing, Sales, B2B services, SaaS, Self hosters

    10.9k starsOtherUpdated 3 Nov 2026

  8. reacherhq/check-if-email-exists

    Tests whether an email address is real without sending a message, from a command-line tool or an HTTP service.

    Enrichment, Email, Sales, Marketing, B2B services, SaaS, Self hosters

    10.4k starsMITUpdated 30 Oct 2026

  9. SuiteCRM/SuiteCRM

    Full CRM covering sales pipelines, marketing campaigns, quotes and support cases, a Salesforce alternative.

    CRM, Web, Sales, Marketing, B2B services, Self hosters

    5.8k starsAGPL-3.0Updated 29 Oct 2026

  10. useplunk/plunk

    Self-hostable email platform for marketing campaigns, transactional mail and event-triggered automations.

    Workflow automation, Email, AWS, Marketing, SaaS, Self hosters

    5.6k starsAGPL-3.0Updated 1 Nov 2026

  11. unlayer/react-email-editor

    Drag-and-drop email editor component you can embed in a React app.

    Email, Marketing, Engineering, SaaS

    5.3k starsMITUpdated 1 Nov 2026

  12. dittofeed/dittofeed

    Customer engagement platform for automated email, SMS and push journeys based on user events.

    Workflow automation, Onboarding, Email, Marketing, Product, SaaS, Self hosters

    3k starsMITUpdated 13 Oct 2026

  13. zubair-trabzada/ai-marketing-claude

    Claude Code marketing suite with skills for audits, copy, email sequences and competitor research.

    Content writing, AI agents, Anthropic, Marketing, Agencies, SaaS

    2.9k starsMITUpdated 2 Mar 2026

  14. laudspeaker/laudspeaker

    Open-source tool for building multi-step customer journeys across email, SMS and push.

    Workflow automation, Onboarding, Email, Marketing, Product, SaaS

    2.6k starsOtherUpdated 10 Jul 2026

  15. Notifuse/notifuse

    Self-hosted platform for newsletters and transactional email with a visual editor and contact segments.

    Newsletter publishing, Email, Marketing, SaaS, Newsletters, Self hosters

    2.3k starsOtherUpdated 31 Oct 2026

  16. pentacent/keila

    Self-hosted newsletter tool with a simple editor, sign-up forms and campaign stats.

    Newsletter publishing, Forms and surveys, Email, Marketing, Media and publishing, Newsletters, Self hosters

    2.3k starsAGPL-3.0Updated 31 Oct 2026

  17. mettle/sendportal

    Self-hosted email marketing app that sends campaigns through SES, Mailgun, SendGrid and others.

    Newsletter publishing, Email, AWS, Marketing, SaaS, Newsletters, Self hosters

    2.2k starsMITUpdated 22 Oct 2026

  18. maizzle/framework

    Framework for building HTML emails with Tailwind CSS and a build step that inlines styles.

    Email, Marketing, Engineering

    1.6k starsMITUpdated 1 Nov 2026

  19. warmbly/warmbly

    Sends B2B cold email sequences from your own mailboxes and runs warm-up sending to build their reputation.

    Outreach, Email, Sales, B2B services, Agencies, Self hosters

    882 starsApache-2.0Updated 2 Nov 2026

  20. phpList/phplist3

    Long-running self-hosted mailing list manager for newsletters and bulk email campaigns.

    Newsletter publishing, Email, Marketing, Nonprofit, Newsletters, Self hosters

    879 starsAGPL-3.0Updated 2 Nov 2026

  21. civicrm/civicrm-core

    Constituent CRM for nonprofits handling donors, members, events, mailings and case work.

    CRM, Fundraising and donations, WordPress, Web, Marketing, Operations, Nonprofit, Community building

    794 starsAGPL-3.0Updated 31 Oct 2026

  22. DjangoCRM/django-crm

    Django-based CRM with deals, tasks, email marketing and analytics for small sales teams.

    CRM, Analytics dashboards, Web, Email, Sales, B2B services, Self hosters

    650 starsAGPL-3.0Updated 2 Nov 2026