Discover Trending Code Library Categories

/Email

Email

12 open source tools found

Developer Tools

Postal

Self-hosted mail server that replaces SendGrid/Mailgun – open-source and free.

Open-source mail server for websites & web servers, like self-hosted SendGrid/Mailgun.

Run the uninstall command (`sudo postal uninstall`) or manually stop services and remove directories.

Privacy Protection

Mail-in-a-Box

Turn a fresh Ubuntu machine into your own fully automated mail server in one command.

One-click deploy your own email server with automatic DNS, TLS, and web control panel.

Uninstalling is not straightforward; you would need to manually remove all components or reinstall the OS. It's best used on a dedicated fresh machine.

OpenSource-Hub

Quality Open Source Within Reach

Powered by Cloudflare D1 & DeepSeek

Discover

AI Productivity Dev Tools System Tuning Privacy Video & Audio Office

Resources

Sitemap GitHub Repo

Legal

Privacy Policy About Us

© 2026 OpenSource-Hub

System Optimization

mailcow-dockerized

One-click email server deployment, as easy as raising a cow.

A fully-featured, Docker-based email server suite with modern web interface, spam filtering, and easy deployment.

Navigate to the mailcow-dockerized directory, run docker-compose down -v to stop and remove containers and volumes. Then delete the directory. Warning: This permanently deletes all email data; back up first.

Privacy Protection

SimpleLogin / app

Hide your real email with unlimited aliases, open-source and self-hostable.

Open-source email alias service to protect your online identity. Generate unlimited aliases that forward to your real inbox, available as self-hosted or managed service.

Remove the browser extension or app, delete all aliases to stop forwarding. For self-hosted, stop Docker containers and remove the data directory.

System Optimization

mox

An all-in-one, low-maintenance, secure mail server for self-hosted email.

A modern, full-featured open source secure mail server for low-maintenance self-hosted email.

Stop the mox service, remove the installation directory and user (userdel -r mox), and clean up DNS records.

Developer Tools

Haraka

High-performance Node.js mail server with plugin architecture for flexible filtering and delivery.

A high-performance Node.js mail server with a modular plugin architecture for scalable email filtering and delivery.

Run npm uninstall -g Haraka to remove the global package, then delete the service directory.

Privacy Protection

AnonAddy

Open-source email alias service to protect inbox. Self-hostable with encryption support.

Open-source anonymous email forwarding service that protects your real inbox from spam. Available as hosted or self-hosted.

To unsubscribe, log in to the website and delete your account. Aliases stop forwarding immediately. Self-hosters delete the Docker containers and volumes.

System Optimization

Modoboa

Open-source mail hosting platform with web admin panel and built-in webmail.

Modoboa is a mail hosting and management platform with a modern Web UI. It integrates with Postfix and Dovecot, provides admin panel, webmail, calendar, address book, spam protection, and more. Written in Python Django and Vue.js.

Stop all services (systemctl stop modoboa postfix dovecot), delete installation directory and database (drop database modoboa), remove config files under /etc/.

Developer Tools

dittofeed

Open-source omni-channel customer engagement platform, a self-hosted alternative to OneSignal/Customer.io with Git workflow.

Open-source customer engagement platform for email, SMS, push notifications, WhatsApp, Slack and more.

Stop Docker containers and remove associated data volumes and databases.

Office Productivity

SOGo

Self-hosted Exchange alternative with shared calendars, contacts, and email via CalDAV/CardDAV/ActiveSync.

Free and open-source groupware server with webmail, calendar, and contacts, compatible with Outlook, Thunderbird, and mobile devices.

If using Docker, run `docker stop <container>` and `docker rm <container>`, then remove volumes. For native install, delete `/usr/local/lib/GNUstep/SOGo` and related config files.

System Optimization

iRedMail

One-click automated full-stack mail server for Linux/BSD.

Full-featured open-source mail server solution that automates deployment on Linux/BSD.

iRedMail does not provide an auto-uninstall script. To fully remove it, backup data and reinstall the OS, or manually stop services, remove packages, config files, and users. See the community forum for detailed instructions.

Developer Tools

Notifo

Self-hosted multi-channel notification service with topic-based subscription routing.

Open-source multi-channel notification service. Send emails, web push, SMS, and mobile push through one API with flexible subscription routing.

Stop containers: `docker stop notifo && docker rm notifo && docker rmi squidex/notifo`. If using docker-compose, run `docker-compose down` and remove data volumes.

Browse All Categories