GNU Mailman is a mailing list management software. Mailman project was started long time ago before the Millennium. Since its birth it has become the most intelligent tool for handling mailing lists ever. Huge number of companies with Fortune 500 members among them have been using Mailman for years. The new version Mailman 3 brings to us even better user experience and communication power.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Brevo - Innovative online Email Marketing solution to manage your contacts, create & send your newsletters and track your results. More than 80 000 clients. Best prices and attractive features.
Sympa - Sympa is an open source (GNU GPL) mailing list management (MLM) software.
Campaign Monitor - Email marketing software built for designers and their clients to run successful email campaigns.
AWeber - AWeber is an Email marketing software that's easy to use. Send email newsletters & autoresponders and deliver top notch emails.