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We've compiled a list of 7 free and paid alternatives to Roundcube. The primary competitors include Rainloop, hMail Server. In addition to these, users also draw comparisons between Roundcube and Squirrelmail, OX Open-Xchange, Turing Email. Also you can look at other similar options here: Development Tools.


Squirrelmail
Free Open Source

SquirrelMail is a lightweight web-based email client using IMAP/SMTP protocols. It offers a simple, no-JavaScript interface with features like message threading and address book. It supports plugins for extra functions but is less maintained and dep…

Roundcube is an open-source webmail client that enables users to send, receive, and manage emails through a browser. It offers a user-friendly interface, supports IMAP and SMTP protocols, and includes features like address book, message search, and MIME support for efficient email communication.

Roundcube Video and Screenshots

Roundcube Overview

Roundcube is a free and open-source webmail client designed for self-hosted email services. It offers a user-friendly, desktop-like interface with features such as drag-and-drop message management, full MIME and HTML message support, and an integrated address book with LDAP connectors. Roundcube supports multiple sender identities, threaded message listing, and provides a responsive skin for multi-device access. It also includes built-in caching for fast mailbox access, unlimited users and messages, and import/export functions. For enhanced functionality, Roundcube offers a plugin API for flexible extensions and supports PGP encryption for secure communication.

As an open-source project, Roundcube is actively maintained and welcomes contributions from the community. Developers can participate by reporting bugs, contributing code, translating the interface, or improving documentation. The project is licensed under the GNU General Public License version 3, with exceptions for skins and plugins. Roundcube is compatible with various web servers like Apache, Lighttpd, Nginx, IIS, Cherokee, or Hiawatha, and supports databases such as MySQL/MariaDB, PostgreSQL, SQLite, MSSQL, or Oracle. It also integrates with SMTP and IMAP servers, making it a versatile choice for those seeking a customizable and secure webmail solution.

Roundcube Features

tick-square Hostable
tick-square PGP Encryption

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Roundcube Tags

webmail-service php imap development

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