chatwoot / chatwoot

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

stalwartlabs / stalwart

All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

knadh / listmonk

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

karatektus / pl_mail

Self-hosted, Gmail-style mail client. Multi-account IMAP, threaded conversations, real-time push via IMAP IDLE + Mercure. Built with Symfony, FrankenPHP, Hotwire Turbo. Clone and docker compose up.

mailcow / mailcow-dockerized

mailcow: dockerized - 🐮 + 🐋 = 💕

docker-mailserver / docker-mailserver

Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.

Mailu / Mailu

Insular email distribution - mail server as Docker images

mautic / mautic

Mautic: Open Source Marketing Automation Software.

roundcube / roundcubemail

The Roundcube Webmail suite

postalserver / postal

📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

PHPMailer / PHPMailer

The classic email sending library for PHP

hestiacp / hestiacp

Hestia Control Panel | A lightweight and powerful control panel for the modern web.