Roundcube

A tier on Email clientsScore 8.7· #15of 143

Free plan: Yes
Runs on: Linux, self-hosted, Web

roundcube.net

Summary

Roundcube is ranked #15 of 143 in email clients on Everything Xiaomi, made by Roundcube. It runs on Linux, Self-hosted, Web. There is a free plan.

Roundcube plans and pricing

All plans

Roundcube Webmail Free Free and open-source software · unlimited users and messages · self-hosted webmail roundcube.net · 12 Oct 2026

Compared on email clients

Free plan: Yesroundcube.net
App coverage: webroundcube.net
Calendar tools: Noroundcube.net

Facts

Product: Roundcube is a browser-based multilingual IMAP client with an application-like interface.roundcube.net · 12 Oct 2026
Email features: It supports MIME and HTML messages, multiple sender identities, threaded message listings, message search and spell checking.roundcube.net · 12 Oct 2026
Contacts: Its address book supports groups and LDAP connectors, with find-as-you-type integration.roundcube.net · 12 Oct 2026
Customization: Roundcube has a plug-in API, a template system for custom skins, and third-party plugins and skins available through Packagist.roundcube.net · 12 Oct 2026
Security: Listed protections and capabilities include brute-force login attack prevention, XSS protection, PGP encryption support and OAuth/XOAuth login support.roundcube.net · 12 Oct 2026
Server requirements: The project lists PHP 8.1 or greater, a supported web server, a MySQL/MariaDB, PostgreSQL or SQLite database, and SMTP and IMAP servers as requirements.roundcube.net · 12 Oct 2026
Deployment: Roundcube can be run as a Docker PHP-FPM service or with a complete Apache webserver, and the project provides Docker Compose and Kubernetes examples.roundcube.net · 12 Oct 2026
Nextcloud integration: The Nextcloud app Roundcube Mail integrates an existing standalone Roundcube webmail app into Nextcloud, with optional SSO.roundcube.net · 12 Oct 2026
License: Roundcube is licensed under GNU GPL version 3 or later, with exceptions for skins and plugins.roundcube.net · 12 Oct 2026
Mobile apps: The project says it does not provide or recommend native mobile apps.roundcube.net · 12 Oct 2026
Support: Official enterprise support from Nextcloud GmbH is tailored to mail providers running large instances with thousands to millions of end users.roundcube.net · 12 Oct 2026
Who it is for: Roundcube is software for email hosting providers or administrators to install on their servers; it is not an email service with user accounts provided by Roundcube.roundcube.net · 12 Oct 2026
Current release: The downloads page lists 1.7.4 as the stable version and 1.6.19 as an LTS version.roundcube.net · 12 Oct 2026