Hirundo!

Mailman is integrated with the web, making it easy for users to manage their accounts and for list owners to administer their lists. Mailman supports built-in archiving, automatic bounce processing.

Sympa is an open source (GNU GPL) mailing list management (MLM) software. Its name is an acronym for Systeme de Multi-Postage Automatique (i.e. Automatic Mailing System), and also means "nice" in French.

Dada Mail is a contemporary mailing list manager, enabling you to easily run a verified mailing list that your subscribers can trust - right on your own website! Make running your business and personal mailing lists easy, fun, and inexpensive.

Gmane (pronounced like "mane") allows users to access and participate in e-mail-based mailing lists as if they were Usenet newsgroups or through two web interfaces. A variety of RSS feeds are also provided for each of more than 12 thousand public mailing lists that are archived on the website.

Mlmmj is a simple and slim mailing list manager (MLM) inspired by ezmlm. It works with many different Mail Transport Agents (MTAs) and is simple for a system adminstrator to install, configure and integrate with other software. As it uses very few resources, and requires no daemons, it is ideal for installation on systems where resources are limited, such as Virtual Private Servers (VPSes).

An email address for your group. Discuss. Debate. Organise. All with email. This is the most simple way to make a regular mail discussion list or "Listserv." Very commonsense and easy. Free version or an inexpensive paid version.

MailCtlr is a new system for the management of your advertising campaigns based on email, it allows you to send all the emails you want for free. Using different SMTP server can send free mail to all the contacts you want at no cost or almost.

Email lists, with an integrated web interface, and control.Administering large mailing list sites

Gutuma was born out of the need for free mailing list / newsletter software that is geared, not towards mass-marketing companies and spammers, but web developers who need a system that can be easily integrated with an existing web site. It's very easy to install and use, and doesn't even require a database, but it still has lots of powerful features. Internally, Gutuma uses the tried and tested Swift mailer for sending messages, and the SACK library for AJAX subscribe requests.Features

Guaranteed delivery of listserv emails into subscriber's inbox.

MailList Controller includes all features required for a successful email campaign, newsletter service, customer relationship management and covers every aspect of modern bulk email marketing and mailing list management. The newsletter software is easy to setup, but has powerful options. You can send out your first newsletter in a few minutes. It runs on computers with Windows operating system and can be installed on a regular computer or server. There is no special hardware or additional software required to use our newsletter software for email marketing. »