* [Nodemailer v8.0.2](https://github.com/nodemailer/nodemailer) – Email sending library for Node.js. * [Matcha v0.25.0](https://github.com/floatpane/matcha) – Powerful terminal email client built with Go and Bubble Tea, supporting rich content, multiple accounts, and modern TUI features. * [goeland v0.22.0](https://github.com/slurdge/goeland) – Go-based RSS-to-email tool with multiple filters and digest support.