Mailtrain
Tap a star to rate
Mailtrain is an open-source Node.js email marketing engine you self-host, with a lean interface and solid automation support. It handles traditional campaigns and also offers RSS-to-email conversion, letting you automatically send new feed items to subscribers. It's built for lean operations with no per-subscriber fees.
It appeals to developers and small teams who want email infrastructure without SaaS pricing. Compared to Listmonk, Mailtrain brings more automation and RSS features; compared to phpList, it's more modern but still lightweight.