There are many alternatives to Roundcube as a self-hosted solution if you are looking for a replacement. The best Self-Hosted Mail Server alternative is Zimbra Collaboration Suite. It's not free, so if you're looking for a free alternative, you could try Mail-in-a-box or OX App Suite. If that doesn't suit you, our users have ranked more than 25 alternatives to Roundcube and five of them are Mail Servers available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted Mail Server alternatives to Roundcube are CrossBox and iRedMail.
Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra boosts the productivity of users on any desktop and dramatically reduces TCO compared to legacy platform vendors.
The OX App Suite by Open-Xchange is web-based platform offering a suite of apps like an email client, calendar, contacts magement, cloud storage with synchronization and productivity apps for word processing, spreadsheets and presentations.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
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. View YouTube Video to check how easy it is.
Works on both no.
United States
Germany
EU
Bosnia & Herzegovina