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
A free simple responsive HTML email template
Mautic: Open Source Marketing Automation Software.
Self hosted newsletter app
Drag-n-Drop Email Editor Component for React.js
EspoCRM – Open Source CRM Application
The modern email development framework.
✉️ An awesome list of resources to build better emails.
📢 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.
120 marketing skills as an AI marketing staff — plugin, portable skills, or an 8-bot team across 7 disciplines (narrative, SEO/GEO, social, email, paid, influencer, launch) on one contract, with 8 auditor gates: TALE · CORE-EEAT · CITE · ECHO · SEND · ROAS · STAR · RAMP.
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.
Open-source self-hosted email marketing. Manage your own newsletters at a fraction of the cost.
Open-source, self-hosted newsletter, email marketing and transactional email platform. Visual MJML editor, Liquid templating, 7 sending providers.
Mosaico - Responsive Email Template Editor
A free and open-source block-based email template builder.
The modern email development framework.
Free HTML email templates for Mailchimp and other emails services
Awesome Opensource Email Resources
33 battle-tested marketing skills for OpenClaw agents — Powered by MyClaw.ai
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