AI Agent Skills

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

Thunderbird for Android – Open Source Email App for Android (fka K-9 Mail)

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

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

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.

Insular email distribution - mail server as Docker images

Anonymous email forwarding

Send email in Python conveniently for gmail using yagmail

Django email backends and webhooks for Amazon SES, Brevo, MailerSend, Mailgun, Mailjet, Mailtrap, Postmark, Postal, Resend, Scaleway TEM, SendGrid, SparkPost, Unisender…

Papercut SMTP -- The Simple Desktop Email Server

Open-source customer engagement. Automate transactional and marketing messages across email, SMS, mobile push, WhatsApp, Slack, and more 📨

Testable, composable, and adapter based Elixir email library for devs that love piping.

:mailbox: Cross-language temporary (disposable/throwaway) email detection library. Covers 55 734+ fake email providers.

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

Python library for accurately querying username and email usage on online platforms

Email tracker, read receipt and spy pixel blocker plugin for macOS Mail (10.11-13.x)