Mailtrain - Self-hosted open-source Mailchimp clone
elink.io - Create Beautiful Curated Newsletters & Web Pages in Minutes.
Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
SocialBu - Social Media Management and Automation tool to save you time while managing your social media
Kill the Newsletter! - Convert newsletters into RSS feeds
Zest - âFOSS Docs Browser with DevDocs and Stack Overflow. Find what you need without Internet access.