Roundcube
Browser-based IMAP client with an application-like user interface.
- Email Servers
- PHP
- GPL-3.0
- Actively maintained
GitHub stats
- GitHub stars
- 7,207
- Forks
- 1,786
- Open issues
- 398
- Commits, last 12 months
- 260
- Last commit
- Oct 2, 2026
- Latest release
- 1.7.4Sep 6, 2026
- Created
- May 4, 2012
Data from the GitHub API, refreshed daily.
About Roundcube
Browser-based IMAP client with an application-like user interface. Roundcube is open source under the GPL-3.0 license and written mainly in PHP, so you can read the code, run it on your own hardware and keep full control of your data.
The project has 7,207 stars and 1,786 forks on GitHub, with 260 commits over the last year. It installs natively rather than through an official Docker image, so plan for a short manual setup.
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What is Roundcube?
Roundcube is a free, open-source app you can host on your own server, listed in our Email Servers category. Browser-based IMAP client with an application-like user interface. The source code lives at github.com/roundcube/roundcubemail, where it has 7,207 stars.
Is Roundcube free and open source?
Yes. Roundcube is open-source software released under the GPL-3.0 license, so you can self-host it at no cost. You only pay for the server it runs on, and some projects also offer an optional paid cloud plan.
Can I run Roundcube with Docker?
Roundcube does not list an official Docker image. It installs natively (PHP and deb), so follow the install steps in its README or look for a community-maintained container.
What are the best alternatives to Roundcube?
Popular open-source alternatives to Roundcube include docker-mailserver, Postal and Mail-in-a-Box. Roundcube itself is a self-hosted alternative to Gmail.
Is Roundcube actively maintained?
The most recent commit to Roundcube was on Oct 2, 2026 with 260 commits in the past twelve months. The latest release is 1.7.4, published Sep 6, 2026. Check the open issues on GitHub to gauge how quickly maintainers respond.