The Best 30 Roundcube Alternatives

  • Mailpile icon

    Mailpile

    Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features.

    Free Open Source Mac OS X Windows Linux Web Self-Hosted OpenPGP

  • Rainloop icon

    Rainloop

    Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make RainLoop Webmail a perfect choice for your email solution.

    Free Open Source Self-Hosted Cloudron PHP JavaScript

  • Horde icon

    Horde

    Horde Groupware is a free, enterprise ready, browser based collaboration suite. Users can manage and share calendars, contacts, tasks and notes with the standards compliant components from the Horde Project.

    Free Open Source Web Self-Hosted

  • Squirrelmail icon

    Squirrelmail

    SquirrelMail is a standards-based webmail package written in PHP. It includes built-in pure PHP support for the IMAP and SMTP protocols, and all pages render in pure HTML 4.

    Free Open Source Self-Hosted PHP

  • hMail Server icon

    hMail Server

    hMailServer is a free e-mail server for Microsoft Windows. Its used by Internet service providers, companies, governments, schools and enthusiasts in all parts of the world.

    Free Open Source Windows

  • mailcow: dockerized icon

    mailcow: dockerized

    mailcow is a mail server suite based on Dovecot, Postfix, SOGo, Rspamd and other open source software, that provides a modern Web UI for administration.

    Free Open Source Linux

  • iRedMail icon

    iRedMail

    A fully fledged, free email server solution, an open source project (GPL v2). Use official binary packages from Linux/BSD distributions, with both i386 and x86_64 support. Easy, fast deployment in LESS THAN 1 MINUTE.

    Free Open Source Linux BSD Self-Hosted

  • Webmail Lite icon

    Webmail Lite

    Open Source WebMail Lite is a free community edition of full-featured WebMail Pro server application intended for users who need a clean and simple web mail application, which is fast and easy to use.

    Free Open Source Web Self-Hosted

  • Mail-in-a-box icon

    Mail-in-a-box

    Take back control of your email with this easy-to-deploy mail server in a box. Mail-in-a-Box turns a fresh cloud computer into a working mail server. You get contact synchronization, spam filtering, and so on.

    Free Open Source Self-Hosted Roundcube ownCloud

  • CacoCloud icon

    CacoCloud

    A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing all data into a SQLite database and an SPA frontend based on AngularJs. .

    Free Open Source Self-Hosted AngularJS

  • NeutronMail icon

    NeutronMail

    self-hosted server for the protonmail client.

    Free Open Source Web Self-Hosted

  • Modoboa icon

    Modoboa

    Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface . It provides useful components such as an administration panel or a webmail. Modoboa is a modular tool.

    Free Open Source Linux Self-Hosted

  • nvlope icon

    nvlope

    Simple and minimal email with custom domain and own API.

    Commercial Mac OS X Windows Linux

  • NOCC icon

    NOCC

    NOCC is a webmail client written in PHP. It provides webmail access to IMAP and POP3 accounts.

    Free Open Source Web

  • InboxCube icon

    InboxCube

    For us Email is our lives. At the heart of our inbox lives a personal network of information and content that privately defines who we are.

    Free iPhone

  • NeoMail icon

    NeoMail

    NeoMail is a web-based mail client that allows users to access their mail spools and send messages. It does not require a POP3 server, or any shell access for the users. It interfaces directly with user mail spools.

    Free Open Source Web