Self-Hosted Roundcube Alternatives

There are many alternatives to Roundcube as a self-hosted solution if you are looking for a replacement. The best Self-Hosted alternative is Rainloop, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to Roundcube and 16 are available as a self-hosted solution so hopefully you can find a suitable replacement. Other interesting Self-Hosted alternatives to Roundcube are Mailpile, Zimbra Collaboration Suite, Horde and Kolab Community.

Roundcube alternatives are mainly WebMail Providers but may also be Mail Servers or Email Clients. Filter by these if you want a narrower list of alternatives or looking for a specific functionality of Roundcube.

Roundcube

162

Free • Open Source
WebMail Provider

Roundcube webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full...

More about Roundcube

Roundcube alternatives page was last updated

Rainloop
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Online
Self-Hosted
Nextcloud
JavaScript
PHP
Cloudron
12 Rainloop alternatives
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.
- - Rainloop is the most popular Web-based & Self-Hosted alternative to Roundcube.
- - Rainloop is the most popular Open Source & free alternative to Roundcube.
Suggest and vote on features
Rainloop Features
1. Ad-freeRainloop doesn't contain any form of external advertising.
2. Multiple Account supportRainloop support multiple accounts without the need to logout and login
IMAP Support
Dockerized
Encrypted Email
Discontinued
The last update is from August 2022.

Comments about Rainloop as a Alternative to Roundcube
Almost everyone thinks Rainloop is a great Roundcube alternative.
mandrael
It's popular, modern programmed, faster than roundcube, but not so feature rich. Much sits below the surface though.
Positive comment •
1

Guest
PHP based and customizable more than roundcube, more modern ui
Positive comment •
3
Mailpile
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
WebMail Provider
Linux
Online
Self-Hosted
OpenPGP
58 Mailpile alternatives
Mailpile is a modern, fast web-mail client with user-friendly encryption and privacy features. The development of Mailpile is funded by a large community of backers and all code related to the project is and will be released under an OSI approved Free Software license.
- - Mailpile is the most popular Linux alternative to Roundcube.
Suggest and vote on features
Mailpile Features
1. OpenPGPMailpile supports OpenPGP, a standard of PGP encryption that is open-source for public use.
Web-Based
Encrypted Email
IMAP Support
POP3 Support
Comments about Mailpile as a Alternative to Roundcube
Some users think Mailpile is a great Roundcube alternative, some don't.
Guest
Mailpile needs to run on a computer
Negative comment •
2

Guest
Mailpile is single-user (personal) environment
Negative comment •
-1
Zimbra Collaboration Suite
Is this is a good alternative?
Yes
No
Freemium • Open Source
Mail Server
Calendar App
Team Collaboration Tool
Linux
Online
Self-Hosted
41 Zimbra Collaboration Suite alternatives
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.
Suggest and vote on features
Zimbra Collaboration Suite Features
1. Real time collaborationMultiple users can work together in Zimbra Collaboration Suite simultaneously.
ActiveSync
Active Directory integration
Horde
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Online
Self-Hosted
40 Horde alternatives
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.
Suggest and vote on features
Horde Features
CalDAV Support
Discontinued
The last release (5.2.22) was in September 2017.

Opinions about Horde as a Alternative to Roundcube
Most users think Horde is a great Roundcube alternative.
Kolab Community
Is this is a good alternative?
Yes
No
Freemium • Open Source
Linux
Online
Self-Hosted
42 Kolab Community alternatives
Kolab is entirely Free and Open Source Software (a.k.a. FOSS), and uses Open Standards. We’ll get to why this is important to us, and hope that it is important to you thereafter.
Suggest and vote on features
Kolab Community Features
1. Real time collaborationMultiple users can work together in Kolab Community simultaneously.
CalDAV Support
WebDAV Support
IMAP Support
CardDAV Support
Add a screenshot
Mail-in-a-box
Is this is a good alternative?
Yes
No
Free • Open Source
Mail Server
Self-Hosted
Roundcube
13 Mail-in-a-box alternatives
Easy-to-deploy mail server.
Suggest and vote on features
Mail-in-a-box Features
IMAP Support
Nextcloud integration
Squirrelmail
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Self-Hosted
PHP
17 Squirrelmail alternatives
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 4.0 (with no JavaScript required) for maximum compatibility across browsers.
Suggest and vote on features
Squirrelmail Features
SMTP Support
IMAP Support
Exchange
On-premises software
SnappyMail
Is this is a good alternative?
Yes
No
Free • Open Source
Email Client
Self-Hosted
Web Browser
12 SnappyMail alternatives
The drastically upgraded & secured fork of RainLoop Webmail Community edition.
Suggest and vote on features
SnappyMail Features
1. LightweightSnappyMail consumes less device resources compared to similar apps.
2. Multiple Account supportSnappyMail support multiple accounts without the need to logout and login
3. Support for ThemesYou can use themes and templates to change the look and feel of SnappyMail.
4. Dark ModeSnappyMail supports dark mode for comfortable usage in low light conditions.
5. PGP EncryptionSnappyMail supports PGP, an encryption system used for sending encrypted emails and files.
6. WYSIWYG SupportSnappyMail integrates a WYSIWYG editor to edit the look and content of a document, page, or file.
7. GPG EncryptionSnappyMail supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
8. Privacy focusedSnappyMail is considered a privacy friendly alternative.
9. Extensible by Plugins/ExtensionsSnappyMail can be extended with add-ons, plugins and extensions.
Ad-free
Two-factor Authentication
Mobile friendly
No Tracking
OX App Suite
Is this is a good alternative?
Yes
No
Free • Open Source
Mail Server
WebMail Provider
Calendar App
Linux
Online
Self-Hosted
Software as a Service (SaaS)
19 OX App Suite alternatives
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.
- - OX App Suite is the most popular SaaS alternative to Roundcube.
Suggest and vote on features
OX App Suite Features
1. Real time collaborationMultiple users can work together in OX App Suite simultaneously.
2. Cloud SyncSync your data (notes, documents, bookmarks, etc.) across your different devices and to the cloud.
3. Calendar IntegrationOX App Suite lets you sync your tasks and events with your calendar application.
Personal Information Manager (PIM)
Group Mail
German
WebDAV Support
WebDAV Sync
iRedMail
Is this is a good alternative?
Yes
No
Freemium • Open Source
Mail Server
Linux
BSD
Self-Hosted
69 iRedMail alternatives
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.
iRedMail has no features, suggest some!
Isotope Mail Client
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Email Client
Mac
Windows
Linux
Online
Self-Hosted
Kubernetes
Docker
OpenShift
11 Isotope Mail Client alternatives
Microservice based webmail client built with ReactJS and Spring.

Minimalistic webmail client which currently has the main features of any other mail client (read mail, compose mail, organize mail folders...).
- - Isotope Mail Client is the most popular Windows & Mac alternative to Roundcube.
Suggest and vote on features
Isotope Mail Client Features
1. AutocompletionIsotope Mail Client can predict and complete the rest of a word or phrase you're typing.
No database needed
Drag and Drop
Support for Docker
Web-Based
Rich text editing
Dockerized
Discontinued
Last update on Dec 8, 2019.

Opinions about Isotope Mail Client as a Alternative to Roundcube
Almost everyone thinks Isotope Mail Client is a great Roundcube alternative.
Webmail Lite
Is this is a good alternative?
Yes
No
Free • Open Source
WebMail Provider
Online
Self-Hosted
28 Webmail Lite alternatives
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. Whether you need a free web browser based email client software for Windows ASP.
Webmail Lite has no features, suggest some!