Kill the Newsletter! - Convert newsletters into RSS feeds
Substack - Substack makes it simple for a writer to start an email newsletter that makes money from subscriptions.
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
MailChimp - MailChimp is the best way to design, send, and share email newsletters.
Reeder - Reeder is an RSS reader and client for multiple services.
Tiny Tiny RSS - Web-based news feed aggregator, designed to allow you to read news from any location, while feeling...