Email parser for browser and serverless environments.
postal-mime is an email parsing library that runs in browser environments (including Web Workers) and serverless functions (like Cloudflare Email Workers). It takes in a raw email message (RFC822 format) and outputs a structured object containing headers, recipients, attachments, and more.
a TUI email client.
A beautiful and functional email client for your terminal, built with Go and the charming Bubble Tea TUI library. Never leave your command line to check your inbox or send an email again!
Open DMARC Analyzer is an Open Source DMARC Report Analyzer to be used with DMARC reports that have been parsed by John Levine's rrdmarc script or techsneeze's dmarcts-report-parser.
A curated list of resources on Email tools, server, framework, technology...
A modern, fast web-mail client with user-friendly encryption and privacy features. 100% Free and Open Source software
Free Open-Source Alternative to Mailchimp & Resend.
Notifuse is a modern, self-hosted emailing platform that allows you to send newsletters and transactional emails at a fraction of the cost.
email & SMTP testing tool with API for developers.
Mailpit is a small, fast, low memory, zero-dependency, multi-platform email testing tool & API for developers. It acts as an SMTP server, provides a modern web interface to view & test captured emails, and contains an API for automated integration testing.
theHarvester is a tool for gathering e-mail accounts, subdomain names, virtual hosts, open ports/ banners, and employee names from different public sources (search engines, pgp key servers).
Best Email Signature Manager for Outlook & Office 365.
Design and deploy on-brand email signatures for your whole team. Connect with your audience in a way that's on-brand and personal, while driving quality lead generation.
✉️ Send e-mails with Node.JS – easy as cake!
Nodemailer is a module for Node.js applications to allow easy as cake email sending. The project got started back in 2010 when there was no sane option to send email messages, today it is the solution most Node.js users turn to by default.
Become a leader in email innovation. JMAP is the developer-friendly, open API standard for modern mail clients and applications to manage email faster.
It’s official! JMAP has been published by the Internet Engineering Task Force (IETF).
AI Powered Email, Built to Save You Time Zero is an AI-native email client that manages your inbox, so you don't have to.
Zero is an open-source AI email solution that gives users the power to self-host their own email app while also integrating external services like Gmail and other email providers. Our goal is to modernize and improve emails through AI agents to truly modernize emails.
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. Efficiently finding registered accounts from emails. Holehe checks if an email is attached to an account on sites like twitter, instagram, imgur and more than 120 others.
Render markdown into email-safe HTML. Responsive Emails, Written in Markdown. Write markdown. Ship emails. No HTMHELL.
Email.md converts markdown into responsive, email-safe HTML that works across Gmail, Outlook, Apple Mail, Yahoo, and every other client.
Receive and send emails anonymously. Open source anonymous email service.
With email aliases, you can be anonymous online and protect your inbox against spams and phishing. Open source. Based in Switzerland.
Use Foundation for Emails to design responsive HTML emails that work in any email client. Quickly create responsive HTML emails that work on any device and client. Even Outlook.
Foundation for Emails (previously known as Ink) is a framework for creating responsive HTML emails that work in any email client — even Outlook. Our HTML/CSS components have been tested across every major email client to ensure consistency. And with the Inky templating language, writing HTML emails is now even easier.
Open source DMARC report analyzer and visualizer
A project to rapidly extract all email addresses from any files in a given path.
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Your personal email digest, Your personal daily digest The links you can't miss, the best content from your favorite creators and newsletters, in a daily email digest.
Free and open source self-hosted newsletter, mailing list manager, and transactional mails.
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An automated e-mail OSINT tool.
Mosint is an automated email osint tool written in Go that allows you investigate for target emails in a fast and efficient manner. It consolidates numerous services, enabling security researchers to swiftly access a wealth of information.
Quickly build HTML emails with utility-first CSS.
Maizzle is a framework that helps you quickly build HTML emails with Tailwind CSS and advanced, email-specific post-processing.
A self-hosted email client with an AI agent, running entirely on Cloudflare Workers.
Agentic Inbox lets you send, receive, and manage emails through a modern web interface -- all powered by your own Cloudflare account. Incoming emails arrive via Cloudflare Email Routing, each mailbox is isolated in its own Durable Object with a SQLite database, and attachments are stored in R2.
Collaborative email, calendar, contacts and tasks. BlueMind offers you the choice to preserve your digital independence while promoting that of France and Europe vis-à-vis US big tech. Keeping control over your data and solutions is finally compatible with the satisfaction of your users. BlueMind is the number 1 alternative to Microsoft Exchange, O365, Gsuite, etc. email solutions.
Open-Source PIM Tools in Rust.
Pimalaya is an ambitious project that aims to improve open-source tools related to Personal Information Management (also known as PIM), which includes emails, contacts, calendars, tasks and more.
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Open-Source Self-Hosted Secure Email Gateway. Self-hosted email security, mail server, calendar, contacts, files, groupware — one stack.
Hermes Secure Email Gateway is an open-source Docker Compose stack that combines a hardened anti-spam and anti-malware gateway, a full Dovecot 2.4 mail server, end-to-end encryption, and Nextcloud for files, calendars, and contacts. Deploy it as a gateway in front of Microsoft 365, as a complete mail server, or in hybrid mode.
mutt-wizard is a tool that automatically sets up a NeoMutt-based minimal
email system.
It configures mutt and isync with a default interface and safe passwords.
MJML is a markup language designed to reduce the pain of coding a responsive email. Its semantic syntax makes it easy and straightforward and its rich standard components library speeds up your development time and lightens your email codebase. MJML's open-source engine generates high quality responsive HTML compliant with best practices.
Organized team chat.
Zulip server and web application. Open-source team chat that helps teams stay productive and focused.
Zulip is an open-source team collaboration tool with unique topic-based threading that combines the best of email and chat to make remote work productive and delightful. Fortune 500 companies, leading open source projects, and thousands of other organizations use Zulip every day. Zulip is the only modern team chat app that is designed for both live and asynchronous conversations.
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Sup is a console-based email client for people with a lot of email. A curses threads-with-tags style email client.
It presents an interface of a list of threads, which are each hierarchical collections email messages. Threads can have multiple tags applied to them. It supports a very fast full-text search, automatic contact-list management, custom code insertion via a Ruby hook system, and more. If you’re the type of person who treats email as an extension of your long-term memory, Sup is for you.
Take back control of your email with this easy-to-deploy mail server in a box.
A fast, highly extensible, and event driven SMTP server. Haraka is a highly scalable node.js email server with a modular plugin architecture. Haraka can serve thousands of concurrent connections and deliver thousands of messages per second. Haraka and plugins are written in asynchronous JS and are very fast.
getmail 6 is a flexible, extensible mail retrieval system with support for POP3, IMAP4, SSL variants of both, maildirs, mboxrd files, external MDAs, arbitrary message filtering, single-user and domain-mailboxes, and many other useful features.
web based administration interface for Postfix mail servers.
Virtual Mailbox Administration.
The ViMbAdmin project (vim-be-admin) provides a web based virtual mailbox administration system allowing mail administrators to manage domains, mailboxes and aliases.
A Cloudflare-based email service.
A simple, responsive email service designed to run on Cloudflare Workers 🎉. With only one domain, you can create multiple different email addresses, similar to major email platforms. This project can be deployed on Cloudflare Workers to reduce server costs and build your own email service.
mailcow: dockerized is an open source groupware/email suite based on docker.
mailcow relies on many well known and long used components, which in combination result in an all around carefree email server.
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Newsletters spam test. Test the Spammyness of your Emails.
The local email inbox for developers. Local SMTP server & email inbox for developers.
A local SMTP server and modern web UI that catches every email your app sends during development. Now readable by your AI agent via the Model Context Protocol.
muchsync synchronizes notmuch mail across machines.
muchsync brings notmuch to all of your computers by synchronizing your mail
messages and notmuch tags across machines.
The protocol uses pipelines to work efficiently over high-latency networks
such as mobile broadband.
PEPS is an email, file sharing and collaboration server that intends to fullfil the need for high-quality on-premises software that could rival with top-notch SaaS products such as Gmail or Dropbox, and innovate with new features.
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.
docker-mailserver, or DMS for short, is a production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Anti-spam, Anti-virus, etc.). It employs only configuration files, no SQL database. The image is focused around the slogan "Keep it simple and versioned".
Plunk is an open-source email platform built on top of AWS SES. It allows you to easily send emails from your applications. It can be considered as a self-hosted alternative to services like SendGrid, Resend or Mailgun.
Instant webmail for any email provider. Email, calendar, contacts, and storage
Your open-source workspace , perfectly synced and beautifully integrated.
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disposable email server with an easy setup.
Whenever you sign up with your email on a website, your email address is stored and sometimes sold to advertisers. This is where you get your bulk of spam emails. Whenever a data breach happens, you also risk having your primary email address leaked and informations stolen.
Using Nortix Mail, you can create disposable email addresses that can be used to sign up to website that requires email verification. This is very useful when you just want to try out new website / services without giving away your real email address. It significantly enhances privacy, security and reduces spam. It's like running your own Gmail server.
A lightweight, high-performance Rust email archiver with WebUI.
Bichon is a minimal, high-performance, standalone Rust email archiver with a built-in WebUI. Its name is inspired by the puppy my daughter adopted last month. It runs as a single binary, requires no external dependencies, and provides fast, efficient email archiving, management, and search.
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Send Email Directly From Your Code. No server code needed. Focus on things that matter
Zammad is a web-based, open source user support/ticketing solution.
Zammad is a web based open source helpdesk/customer support system with many features to manage customer communication via several channels like telephone, facebook, twitter, chat and e-mails.
The new email API for developers.
Build, test, and send transactional emails at scale. Resend provides the best developer experience helping you reach users instead of spam folders.
Everyone knows what an email address is, right?
Decide if each email address is valid or not. I used the email-addresses library to verify against the relevant RFCs. Enjoy.
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An automated phishing tool with 30+ templates. This Tool is made for educational purpose only ! Author will not be responsible for any misuse of this toolkit !
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GreenMail is an open source, intuitive and easy-to-use test suite of email servers for testing purposes.
Typical use cases include mail integration testing or a lightweight sand boxed mail server for development. GreenMail is the first and only library that offers a test framework for both receiving and retrieving emails from Java.
iRedMail - Free, Open Source Mail Server Solution
Bring Back YouTube Email Notifications! YouTube upload email notification replacement
In August 2020, YouTube removed the feature of sending email notifications when a subscriber uploads a video. Many watchers, myself included, prefer email notifications to app notifications. This project aims to provide a replacement to YouTube's email notifications. Running this small program checks all your subscribers and sends emails with the links to new videos.
Automate and clean your inbox. Clean Up Your Inbox In Minutes.
Bulk unsubscribe from newsletters, automate your emails with AI, block cold emails, and view your analytics. Open-source.