Listmonk - Send e-mail campaigns from a powerful dashboard. High performance and features packed into one app.
Mailshake - Mailshake lets you build your professional network through a smart and intuitive approach to cold emailing.
Mailman - Mailman is free software for managing electronic mail discussion and e-newsletter lists.
Instantly - Build your own infinitely scalable cold email outreach system with Instantly.
Sendy - Sendy is a self hosted newsletter app that sends emails 100x cheaper via Amazon SES
Snov.io - More leads. More sales. More revenue.