Search awesome repositories

The open-source communication infrastructure for agents and products

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

MJML: the only framework that makes responsive-email easy

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

Insular email distribution - mail server as Docker images

The SimpleLogin back-end and web app

Free and Open Source messaging and emailing app that combines common web applications into one.

✉️ Composable all-in-one mail server.

Anonymous email forwarding

Mail hosting made simple

Keep passwords and other sensitive information out of your inboxes and chat logs.

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

Send email in Python conveniently for gmail using yagmail

Django email backends and webhooks for Amazon SES, Brevo, MailerSend, Mailgun, Mailjet, Mailtrap, Postmark, Postal, Resend, Scaleway TEM, SendGrid, SparkPost, Unisender Go and more

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

Make RSS 📰 great again with AI 🧠✨!! [作者新开的Gpt模型中转站 - 0.2 倍率, 0.2元当1刀花，比官方便宜35倍 https://token.glidea.app]

Privacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid.

Dovecot mail server

Privacy-first, end-to-end encrypted Mail, Pages, Drive, and Calendar.

Open-source email observability for AWS SES

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

PingMe - A unified CLI and web service for sending notifications across multiple messaging platforms

Email archiving application

Command‑line and Python utility that alerts on command completion, code execution and system monitoring events

Group Office groupware and CRM

:love_letter: A menubar/taskbar Gmail App for Windows and macOS