Webmail alternatives for AI agents.

Kurrier is a modern, self-hosted workspace for email, calendar, contacts and storage.

Bichon – A lightweight, high-performance Rust email archiver with WebUI

:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.

Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box.

BillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZr

📥 Turn your inbox into a kanban board.

A Cloudflare-based email service | 基于 Cloudflare 的邮箱服务 | Cloudflare Email 邮箱 Mail

The world's best AI personal assistant for email. Open source app to help you reach inbox zero fast.

terminal mail client, mirror of https://git.meli-email.org/meli/meli.git https://crates.io/crates/meli

The open-source communication infrastructure for agents and products

💌 Build and send emails using React

✉️ Composable all-in-one mail server.

Experience email the way you want with Mail0 – the first open source email app that puts your privacy and safety first. Join the discord: https://mail0.link/discord

🧑‍🚀 Authentication and authorization infrastructure for SaaS and AI apps, built on OIDC and OAuth 2.1 with multi-tenancy, SSO, and RBAC.

Tuta is an email service with a strong focus on security and privacy that lets you encrypt emails, contacts and calendar entries on all your devices.

CloudFlare free temp domain email 免费收发 临时域名邮箱 支持附件 IMAP SMTP TelegramBot