10

8

6

4

2


9.3

7.4

9.2

7.1

9.2

5.3

8.8

2.3

8.8

8.8

53 Email software solutions and projects

  • Mail-in-a-Box

    9.3 7.4 L3 Python
    Turns any Ubuntu server into a fully functional mail server with one command.
  • Mailpile

    9.2 7.1 L2 Python
    Webmail client with search, filtering, encryption features and more.
  • Postal

    9.2 5.3 Ruby
    A fully featured open source mail delivery platform for incoming & outgoing e-mail
  • MailHog

    8.8 2.3 Go
    Small Golang executable which runs an SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.
  • Mautic

    8.8 8.8 L2 PHP
    Mautic is marketing automation software
  • docker-mailserver

    8.8 8.6 Shell
    A fullstack but simple mail server
  • Roundcube

    8.6 9.3 L3 PHP
    Browser-based IMAP client with an application-like user interface.
  • Mailtrain

    8.5 2.7 HTML
    self hosted newsletter application built on Node.js
  • MailCatcher

    8.5 5.9 L5 Ruby
    Ruby gem that deploys a simply SMTP MTA gateway that accepts all mail and displays in web interface. Useful for debugging or development.
  • Haraka

    8.3 7.0 L3 JavaScript
    A high-performance, pluginable SMTP server written in JavaScript.
  • Mail For Good

    8.2 2.4 JavaScript
    An open source email campaign management tool for nonprofits.
  • RainLoop

    8.2 6.9 L3 PHP
    Simple, modern & fast webmail with IMAP/SMTP Support and multi accounting.
  • Tutanota makes encryption easy

    8.0 9.7 JavaScript
    Tutanota is the end-to-end encrypted mail client that enables you to communicate securely with anyone.
  • Listmonk

    8.0 8.2 Go
    High performance, self-hosted newsletter and mailing list manager with a modern dashboard.
  • ProtonMail Web Client

    7.8 9.0 JavaScript
    Official AngularJS web client for the ProtonMail secure email service.
  • formspree

    7.7 2.0 L3 Python
    Easy HTML form without PHP or JavaScript
  • Mailu

    7.2 8.9 Python
    Mailu is a simple yet full-featured mail server as a set of Docker images.
  • Modoboa

    6.9 7.7 L5 Python
    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface.
  • Mailcow

    6.8 1.0
    Mail server suite based on Dovecot, Postfix and other open source software, that provides a modern Web UI for administration.
  • wildduck

    6.2 8.4 JavaScript
    Scalable no-SPOF IMAP/POP3 mail server.
  • Mailman

    5.9 0.7 L5 Ruby
    The Gnu mailing list server.
  • Maildrop

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

    5.3 9.5 L1 C
    Message transfer agent
  • Dovecot

    5.3 9.8 L3 C
    IMAP and POP3 server written primarily with security in mind.
  • Cypht

    5.1 7.9 L4 PHP
    A feed reader for your email accounts.
  • AnonAddy

    4.8 7.6 PHP
    Open source email forwarding service for creating aliases.
  • WebMail Lite

    4.8 0.9 L2 PHP
    Web-based IMAP Mail client.
  • MailyHerald

    4.6 0.0 L5 Ruby
    Self-hosted Mailchimp alternative that you can easily integrate with your site. Helps you send and manage your application mailings. It support email marketing and conducting the daily stream of notifications you send to your users.
  • OpenSMTPD

    4.4 9.2 L2 C
    Secure SMTP server implementation from the OpenBSD project.
  • Disposable Mailbox

    4.3 3.9 PHP
    Simple disposable mailbox web-app based on a catch-all IMAP mailbox.
  • SimpleLogin

    4.2 9.8 CSS
    Open source email alias solution
  • homebox

    3.5 9.1 Python
    Suite of Ansible scripts to deploy a fully functional mail server on Debian. Unobtrusive and automatic as much as possible, focusing on stability and security.
  • Slimta

    3.3 2.6 L5 Python
    Mail Transfer Library built on Python.
  • Dada Mail

    3.2 8.9 L3 Perl
    A web-based list management system that can be used for announcement lists and/or discussion lists.
  • Inboxen

    2.9 7.6 Python
    Inboxen is a service that provides you with an infinite number of unique inboxes.
  • phpList

    2.8 2.4
    Newsletter and email marketing with advanced management of subscribers, bounces, and plugins.
  • MailCare

    2.6 3.0 PHP
    Open source disposable email address service.
  • Courier MTA

    1.8 6.4 L1 C
    Fast, scalable, enterprise mail/groupware server providing ESMTP, IMAP, POP3, webmail, mailing list, basic web-based calendaring and scheduling services.
  • AnsiMail

    1.7 9.4 Shell
    Fullstack, security focused mailserver based on OpenSMTPD for OpenBSD using ansible.
  • iRedMail

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

    1.1 0.0
    Secure Sendmail replacement.
  • Piler

    1.1 -
    feature rich open source email archiving solution.
  • Postfix

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

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

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

    - -
    Another browser-based IMAP client.
  • IMP

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

    - -
    Stable, full-featured, easy-to-install mail server based on qmail.
  • Simple NixOS Mailserver

    - -
    A complete mailserver solution leveraging the Nix Ecosystem.
  • chasquid

    - -
    SMTP
  • Cyrus IMAP/POP3

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

    - -
    A mailing list manager.
  • Sendmail

    - -
    Message transfer agent

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