Categories / Communication - Email - Complete Solutions
Mailcow
Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration.
Amazon SES, Fastmail, Gmail, Google Workspace, Mailgun, Outlook.com, Proton Mail, SendGrid
- Website
- https://mailcow.email/
- GitHub stars
- 13,728
- Repository activity
- 21 October 2026
- Latest release
- 2026-10, 21 October 2026
- Health
- Active From the repository record in this build
- License
- GPL-3.0
- Platforms
- Docker, PHP
Compare
Side-by-side records pairing Mailcow with other replacements for the same hosted products, ranked by combined GitHub stars in the dataset.
Other replacements for Gmail, the most-covered here
docker-mailserver
Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container. Only configuration files, no SQL database.
19,715 stars Active
31 Oct 2026 v16.0.1
Mail-in-a-Box
Turns any Ubuntu server into a fully functional mail server with one command.
15,453 stars Active
22 Oct 2026 v77
Roundcube
Browser-based IMAP client with an application-like user interface.
7,253 stars Active
25 Oct 2026 1.7.5
SnappyMail
Simple, modern, lightweight & fast web-based email client (fork of RainLoop).
1,738 stars Active
2 Nov 2026 v2.38.2.1
Poste.io
Full-featured solution for your Email server. Native implementation of last anti-SPAM methods, webmail and easy administration included. Free tier available.
No repository figures recorded
