AI Agent Skills

: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.

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

Insular email distribution - mail server as Docker images

📧 Easy to use, yet comprehensive library for sending mails with Go

Full-featured, open source mail server solution for mainstream Linux/BSD distributions.

Simple API, Complex Emails (Jakarta Mail smtp wrapper)

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

:love_letter: An extensible desktop mail app built on the modern web. Forks welcome!

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

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

✉️ Composable all-in-one mail server.

holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function.

Mail hosting made simple

Dovecot mail server

AI Marketing Suite for Claude Code. 15 marketing skills with parallel subagents — audit any website, generate copy, email sequences, ad campaigns, content calendars, com…