Alternatives to Roundcube

A self-hosted, browser-based IMAP webmail client written in PHP. The listings below can replace it for an important use case. Each note says what changes if you switch.

Replacements

Listings that take over the same core job as Roundcube.

  • SnappyMail

    A lightweight self-hosted webmail client, forked from RainLoop and rebuilt for modern browsers.

    FreeOpen sourceWebSelf-hosted

    SnappyMail is also self-hosted webmail, forked from RainLoop, with a very small download and fast mobile loading, but it drops support for older browsers and uses the AGPL-3.0 license.

  • Nextcloud Mail

    An IMAP webmail app that runs inside your own Nextcloud server.

    FreeOpen sourceWebSelf-hosted

    Nextcloud Mail provides IMAP webmail inside a Nextcloud server, sitting alongside files, contacts and calendar, but it requires a working Nextcloud installation to run.

  • SOGo

    An open-source groupware server with webmail, shared calendars and address books for organisations.

    FreeOpen sourceWebSelf-hosted

    SOGo moves you to a self-hosted groupware server with webmail, shared calendars and address books, and it needs existing mail and directory servers to integrate with.

  • Horde Groupware

    A self-hosted open-source PHP suite with webmail, calendar, contacts, tasks and notes.

    FreeOpen sourceWebSelf-hosted

    Horde Groupware is a self-hosted PHP suite that adds calendar, contacts, tasks and notes around webmail, with CalDAV, CardDAV and ActiveSync, but has an older codebase to maintain.

  • Cypht

    Self-hosted open-source webmail that combines several email accounts and RSS feeds into one inbox.

    FreeOpen sourceWebSelf-hosted

    Cypht is self-hosted webmail that combines several accounts and RSS feeds into one inbox, supports IMAP, JMAP and Exchange EWS, and runs on PHP or Docker.

Similar software

Related functionality, not a direct replacement.