NZBGet - The most efficient usenet downloader.
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
SABnzbd - SABnzbd is a free/open-source cross-platform binary newsreader written in Python.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Newshosting - Join with any administration arrange and get finish access to the simple to-utilize Newshosting Usenet Browser.
Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.