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

mailcow: dockerized - 🐮 + 🐋 = 💕

Event-driven networking engine written in Python.

Simple, modern & fast web-based email client

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

Insular email distribution - mail server as Docker images

A cross-platform .NET library for IMAP, POP3, and SMTP.

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

Imapsync is an IMAP transfers tool. The purpose of imapsync is to migrate IMAP accounts or to backup IMAP accounts. IMAP is one of the three current standard protocols to access mailboxes, the two others are POP3 and HTTP with webmails, webmails are often tied to an IMAP server. Upstream website is

Emails at the heart of your business logic!

Read/sync your IMAP mailboxes (python2) [LEGACY: move to offlineimap3]

📥 An IMAP library for Go clients and servers

✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chat

Dovecot mail server

✉️ Composable all-in-one mail server.

💌 Mail app for Nextcloud

Object-oriented, fully tested PHP IMAP library

Decentralized private messenger with chat-shared tools and games for Desktop

Official master for the Greenmail project

Python IMAP for Human beings