Open-source, self-hosted platform to manage subscribers, run campaigns, and track analytics. Single Go binary with a Vue UI.

22.5k stars2.5k forksAGPL-3.0last commit Actively maintained
Mailchimp is a cloud marketing automation platform for creating, sending, and analyzing email and SMS campaigns. It provides audience segmentation, templates, customer journey automation, reporting, basic CRM functionality, integrations, and AI-assisted content tools.
Open-source, self-hosted platform to manage subscribers, run campaigns, and track analytics. Single Go binary with a Vue UI.

22.5k stars2.5k forksAGPL-3.0last commit Actively maintained
Self-hosted open-source marketing automation platform with campaign builder, email/landing page editors, REST API, segmentation, and extensible plugins.

10.2k stars3.4k forkslast commit Actively maintained
Developer-focused platform for automated, omnichannel messaging (email, SMS, push, WhatsApp) with low-code journeys, segmentation, templates, and self-hosting.

2.9k stars368 forksMITlast commit Actively maintained
Open-source customer engagement and product onboarding platform for building event-triggered journeys and sending email, SMS, push notifications, and webhooks.
2.6k stars204 forkslast commit Actively maintained
Keila is an open-source newsletter tool for creating email campaigns, managing contacts and segments, building signup forms, and sending via SMTP or email providers.

2.2k stars161 forksAGPL-3.0last commit Actively maintained
Open-source emailing platform for newsletters and transactional emails with a visual MJML builder, segmentation, A/B testing, analytics, and a REST API with webhooks.

2k stars216 forkslast commit Actively maintained
phpList is an open source email marketing manager for newsletters and campaigns, with subscriber management, segmentation, scheduling, bounce handling, and analytics.

859 stars286 forksAGPL-3.0last commit Actively maintained
Web application to manage CSA/ACP/Solawi operations: members, deliveries, automated billing, online shop and multilingual communications.

79 stars21 forkslast commit Actively maintained
Dockerized email campaign manager for creating templates, managing contacts, and sending HTML emails via configurable SMTP; built with TypeScript, Node.js, React, and MySQL.
33 stars1 forksMITlast commit Actively maintained
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 9 of 9 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in Marketing & Customer Engagement.