Self-Hosted Index

Alternatives

Gmail

Email tied to a Google account, free because the account is the product surface for Google's business.

6 self-hosted replacements in this index, ranked by GitHub stars in the dataset.

Replacements

  • 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.

    19,710 stars Active

    26 Oct 2026 v16.0.1

  • Mail-in-a-Box

    Turns any Ubuntu server into a fully functional mail server with one command.

    15,448 stars Active

    22 Oct 2026 v77

  • Mailcow

    Mail server suite based on Dovecot, Postfix and other software, that provides a modern Web UI for administration.

    13,722 stars Active

    21 Oct 2026 2026-10

  • Roundcube

    Browser-based IMAP client with an application-like user interface.

    7,251 stars Active

    25 Oct 2026 1.7.5

  • SnappyMail

    Simple, modern, lightweight & fast web-based email client (fork of RainLoop).

    1,732 stars Active

    30 Oct 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