Sympa is described as 'open source (GNU GPL) mailing list management (MLM) software. Its name n acronym for Systeme de Multi-Postage Automatique (i.e. Automatic Mailing System), and also means "nice" in French'. There are more than 50 alternatives to Sympa for a variety of platforms, including Online / Web-based, Windows, Self-Hosted solutions, SaaS and Mac. The best alternative is Mailchimp, which is free. Other great apps like Sympa are Sendinblue (Freemium), Mailman (Free, Open Source), SendPulse (Freemium) and phpList (Freemium, Open Source).
Smart Messenger is a cost effective email marketing tool that delivers professional results, seamlessly and in an instant. It has all of the functionality you would expect from a high class email marketing service and costs from just £10 per month.
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.
Mara helps online retailers increase sales and conversion rate using it’s marketing automation cloud capabilities specifically built for ecommerce. Features include email marketing, site personalization, product reccs, push notifications and more.
iReach is an open source web-based application developed by Lone Star Technologies which will allow you to create and manage html email campaigns. Some uses include newsletters, advertising campaigns, product notifications, and press releases.