* [Nodemailer v10.1.0](https://github.com/nodemailer/nodemailer) – Email sending library for Node.js.

* [Mailtrap Node.js client v5.0.0](https://github.com/mailtrap/mailtrap-nodejs) – Node.js client for sending transactional and bulk emails with sandbox mode, attachments, and API token-based authentication.

* [MillionSend v0.7.0](https://github.com/MillionSend/millionsend) – Resend-compatible self-hosted email platform that sends, batches, and manages suppression, contacts, templates, webhooks, and dashboards with AWS SES support.

* [MailFlow v3.9.0](https://github.com/maathimself/mailflow) – Self-hosted unified webmail client that connects multiple IMAP/SMTP accounts into one interface with search, notifications, and per-account actions.

* [Onetime Secret v0.26.15](https://github.com/onetimesecret/onetimesecret) – Securely share sensitive information through a single-use link that can be viewed only once.

* [free-email-domains v1.13.2](https://github.com/Kikobeats/free-email-domains) – Comprehensive list of free email domains.

* [Inbox Zero - Your AI Email Assistant desktop-v0.1.19](https://github.com/elie222/inbox-zero) – AI email assistant that helps users manage their inbox efficiently.

* [postal-mime v4.0.5](https://github.com/postalsys/postal-mime) – Email parsing library for browser and serverless environments producing structured email objects.

* [React Email @react-email/editor@...](https://github.com/resend/react-email) – Collection of high-quality, unstyled React components for building responsive, consistent emails with dark mode support.

* [Monocart Reporter 2.14.1](https://github.com/cenfun/monocart-reporter) – Playwright test reporter for Node.js that generates fast, customizable HTML reports with interactive filtering, timeline graphs, and exportable data.

* [neomd v0.10.1](https://github.com/ssp-data/neomd) – Minimal terminal email client for reading rendered Markdown messages and composing in Neovim.

* [Official Mailjet Go Client v4.0.9](https://github.com/mailjet/mailjet-apiv3-go) – Mailjet API v3 Go wrapper that provides an official client for authentication, request handling, and email operations.

* [ihasmail v2026.10.5-g20c32ed](https://github.com/Coffey-Labs/ihasmail) – Self-hosted immutable JMAP webmail for Stalwart Mail Server with Gmail-class UI for mail, calendars, contacts, files, and Sieve filters.