10

8

6

4

2


9.0

10.0
Mautic

5.8

9.9
Dovecot

9.0

9.5
Mailcow

8.2

9.9
Tutanota makes encryption easy

8.0

9.4
SimpleLogin

8.5

9.3
Roundcube

64 Email software solutions and projects

  • Mautic

    9.0 10.0 L2 PHP
    Mautic: Open Source Marketing Automation Software.

  • Dovecot

    5.8 9.9 L3 C
    Dovecot mail server

    • SaaSHub helps you find the best software and product alternatives
    Promo www.saashub.com
    SaaSHub Logo

  • Mailcow

    9.0 9.5 JavaScript
    mailcow: dockerized - 🐮 + 🐋 = 💕

  • Tutanota makes encryption easy

    8.2 9.9 TypeScript
    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.

  • SimpleLogin

    8.0 9.4 Python
    The SimpleLogin back-end and web app

  • Roundcube

    8.5 9.3 L3 PHP
    The Roundcube Webmail suite

  • Exim

    5.2 9.6 L1 C
    DISCONTINUED. Exim Mail Transport Agent - source, testsuite and documentation

  • AnsiMail

    2.5 0.0 Jinja
    Fullstack, security focused, personal mail server based on OpenSMTPD for OpenBSD

  • docker-mailserver

    9.0 8.7 Shell
    DISCONTINUED. A fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) using Docker. [Moved to: https://github.com/docker-mailserver/docker-mailserver]

  • Listmonk

    9.4 9.4 Go
    High performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.

  • Modoboa

    7.1 9.7 L5 Python
    Mail hosting made simple

  • wildduck

    6.4 9.2 JavaScript
    Opinionated email server

  • Dada Mail

    3.0 0.0 L3 Perl
    Self-Hosted, Full Featured, Email Mailing List Manager. Announcement + Discussion Lists, Web-based Installer, Installs with minimal dependencies, sendmail/SMTP/Amazon SES supported

  • phpList

    5.3 1.8 PHP
    Fully functional Open Source email marketing manager for creating, sending, integrating, and analysing email campaigns and newsletters.

  • Mailu

    8.3 7.6 Python
    Insular email distribution - mail server as Docker images

  • OpenSMTPD

    4.6 7.3 L2 C
    This is official OpenSMTPD Portable repository. Forks, pull requests and other contributions are welcome!

  • Cypht

    5.8 9.7 L4 PHP
    Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

  • Mail-in-a-Box

    9.1 7.8 L3 Python
    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.

  • homebox

    3.9 9.4 Shell
    A set of ansible scripts to build a personal mail server / private cloud / etc.

  • ProtonMail Web Client

    7.9 10.0 TypeScript
    Monorepo hosting the proton web clients

  • Inboxen

    3.0 0.0 Python
    DISCONTINUED. Main repo for Inboxen.org

  • AnonAddy

    7.4 7.4 PHP
    Anonymous email forwarding

  • Haraka

    7.9 7.3 L3 JavaScript
    A fast, highly extensible, and event driven SMTP server

  • Courier MTA

    2.2 8.0 L1 C
    Courier Mail Server

  • Postal

    9.2 6.0 Ruby
    📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

  • Mailpile

    8.6 4.0 L2 Python
    A free & open modern, fast email client with user-friendly encryption and privacy features

  • Ptorx

    3.4 0.0 TypeScript
    DISCONTINUED. 📩🛡 Email privacy. Anonymously send and receive with alias forwarding. (Abandoned)

  • Slimta

    2.9 2.8 L5 Python
    Python libraries to send, receive, and queue email.

  • RainLoop

    7.9 0.0 L3 PHP
    DISCONTINUED. Simple, modern & fast web-based email client

  • MailCatcher

    8.0 5.2 L5 Ruby
    Catches mail and serves it through a dream.

  • Mailtrain

    7.9 0.0 JavaScript
    Self hosted newsletter app

  • MailHog

    9.1 0.0 Go
    Web and API based SMTP testing

  • Mail For Good

    8.3 0.0 JavaScript
    DISCONTINUED. An open source email campaign management tool for nonprofits

  • formspree

    7.0 0.0 L3 Python
    DISCONTINUED. The successor to this repository is actively maintained at https://formspree.io. Its source code is not available

  • Maildrop

    5.5 0.0 CSS
    DISCONTINUED. Disposable email SMTP server, also useful for development.

  • Qmail

    1.0 0.0
    Bind to different local ip addresses depending on the domain part of the sender argument when using `qmail-remote`.

  • Mailman

    5.9 0.0 L5 Ruby
    DISCONTINUED. The Gnu mailing list server.

  • WebMail Lite

    4.3 0.0 L2 PHP
    AfterLogic WebMail Lite PHP. Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel.

  • MailyHerald

    4.2 0.0 L5 Ruby
    Advanced email processing solution for Ruby on Rails applications

  • MailCare

    3.1 0.0 PHP
    DISCONTINUED. [MIRRORING REPOSITORY] See https://gitlab.com/mailcare/mailcare. MailCare is an open source disposable email address services. Accessible via web browser or API to protect your privacy right now.

  • Disposable Mailbox

    4.6 0.0 PHP
    DISCONTINUED. Simple disposable mailbox web-app based on a catch-all IMAP mailbox.

  • Isotope Mail

    3.1 0.0 JavaScript
    Isotope Mail Client

  • SquirrelMail

    -
    Another browser-based IMAP client.

  • Simple NixOS Mailserver

    -
    A complete mailserver solution leveraging the Nix Ecosystem.

  • chasquid

    -
    SMTP

  • Sympa

    -
    A mailing list manager.

  • SnappyMail

    5.8 1.5 PHP
    Simple, modern & fast web-based email client

  • Keila

    6.1 9.5 Elixir
    Open Source Newsletter Tool.

  • Piler

    1.1 -
    feature rich open source email archiving solution.

  • Cyrus IMAP/POP3

    -
    Intended to be run on sealed servers, where normal users are not permitted to log in.

  • Sendmail

    -
    Message transfer agent

  • Postfix

    -
    Fast, easy to administer, and secure Sendmail replacement.

  • Citadel

    -
    Feature packed, easy, versatile, and powerful mail server, thanks to exclusive "rooms" based architecture.

  • iRedMail

    1.1 -
    Full-featured mail server solution based on Postfix and Dovecot.

  • HyperKitty

    -
    Open source Django application to provide a web interface to access GNU Mailman v3 archives.

  • Postorius

    -
    Web user interface to access GNU Mailman.

  • MailFlow

    0.9 - JavaScript
    A self-hosted, unified webmail client.

  • DebOps

    6.0 9.3 Jinja
    DebOps - Your Debian-based data center in a box

  • Lightmeter

    1.0 0.0
    Lightmeter uses GitLab, not GitHub -- find repos at: https://gitlab.com/lightmeter

  • LibreNMS

    8.4 9.9 L2 PHP
    Community-based GPL-licensed network monitoring system

  • mail-server

    8.8 9.7 Rust
    All-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).

  • IMP

    -
    HORDE application that provides webmail access to IMAP and POP3 accounts.

  • Qmailtoaster

    -
    Stable, full-featured, easy-to-install mail server based on qmail.

  • Schleuder

    -
    A GPG-enabled mailing list manager with resending-capabilities.

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