Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
SendPortal - SendPortal is a self-hosted and comprehensive Email Marketing Software used by businesses worldwide.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
TinyLetter - Start writing your own newsletter instantly.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.