email-marketing

High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

Mautic: Open Source Marketing Automation Software.

Self hosted newsletter app

Drag-n-Drop Email Editor Component for React.js

EspoCRM – Open Source CRM Application

Quickly build HTML emails with Tailwind CSS.

📢 Laudspeaker is an Open Source Customer Engagement and Product Onboarding Platform. Open Source alternative to Braze / One Signal / Customer Io / Appcues / Pendo . Use Laudspeaker to design product onboarding flows and send product and event triggered emails, sms, push and more.

Mosaico - Responsive Email Template Editor

AI Marketing Suite for Claude Code. 15 marketing skills with parallel subagents — audit any website, generate copy, email sequences, ad campaigns, content calendars, competitive intelligence, and client-ready PDF reports.

A free and open-source block-based email template builder.

Quickly build HTML emails with Tailwind CSS.

Free HTML email templates for Mailchimp and other emails services

Awesome Opensource Email Resources

A package to simplify automating future notifications and reminders in Laravel

Can I email… Support tables for HTML and CSS in emails.

Multi channel notification service for collaboration tools, e-commerce, news service and more.

Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.

An email framework that converts simple HTML into responsive email-ready HTML.

Drag-n-Drop Email Editor Component for Vue.js