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.
Constant Contact - Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.
Mailman 3 - Dedicated Mailman 3 installation. Unlimited lists/configuration. Free subdomain at mailman3.com. Dedicated support for list admins.
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.
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.