Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Newshosting - Join with any administration arrange and get finish access to the simple to-utilize Newshosting Usenet Browser.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
NZBGet.com - Fast, reliable, and feature-packed NZB downloader.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.