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roundcube

Roundcube is a free, open-source webmail solution and multilingual IMAP client.

  • Communication
  • Productivity
Roundcube is a free, open-source webmail solution and multilingual IMAP client. It is browser-based, offering a desktop-like user interface with features like MIME support, an address book, folder manipulation, message searching, and spell checking.

Platform availability

Available on 2 of 9 platforms

  • Unraid (not listed)
  • TrueNAS
  • Umbrel (not listed)
  • ZimaOS (not listed)
  • Proxmox (not listed)
  • Helm
  • Mac (not listed)
  • Windows (not listed)
  • Linux (not listed)

Health score

Not enough data yet for a health score. It needs at least 2 of 4 factors: maintenance, popularity, ease of install, resource needs.

Availability: platform listings confirmed today

No GitHub repository data collected yet.

Resources & Compatibility

Requirements not published yet.

First-install notes

No first-install notes yet.

Alternatives (11)

  • Bulwark - Bulwark is a self-hosted webmail client for Stalwart Mail Server, built with Next.js and the JMAP (JSON Meta Application Protocol) email AP…
  • Cypht - All your E-mail, from all your accounts, in one place.
  • Horde - Enterprise-level free suite offers IMAP email, calendar, contacts, tasks, notes, file manager, wiki, syncing, multi-language support, and m…
  • Mail-in-a-box - Easy-to-deploy mail server.
  • OX App Suite - The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud st…
  • Rainloop - Simple, modern & fast web-based email client.
  • SOGo - SOGo is groupware server with a focus on scalability and open standards.
  • SnappyMail - Simple, modern, lightweight & fast web-based email client.
  • Zimbra Collaboration Suite - Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.
  • ihasmail - Immutable webmail for Stalwart Mail Server.
  • mailpile - Mailpile is a self-hosted, web-based e-mail client that you use through a browser.

Checked today - source: AlternativeTo

Common questions

How recent are Roundcube security releases?

The latest news section lists security updates for 1.6 and 1.7 in May, July, August, September, and October 2026.

Does Roundcube support PGP encryption?

Yes, PGP encryption is listed as a built-in feature.

Can Roundcube use LDAP for address book lookup?

It includes a full featured address book with groups and LDAP connectors, plus find-as-you-type integration.

Does Roundcube support shared mailboxes and ACLs?

It supports shared/global IMAP folders and access control lists.

Is there a responsive mobile web experience?

Roundcube includes a responsive skin for multi-device support.

Answers sourced from roundcube.net

Community

No community discussions collected yet.