Alternatives to Roundcube for Self-hosting with any license

Rainloop

Simple, modern & fast web-based email client. Modest system requirements, decent performance, simple installation and upgrade, no database required. All these make...
- It's popular, modern programmed, faster than roundcube, but not so feature rich. Much sits below the surface though. mandrael • Apr 2020
- PHP based and customizable more than roundcube, more modern ui Guest • Sep 2017 • 4 agrees and 1 disagrees
Free Open Source Web Self-Hosted Nextcloud JavaScript PHP ... Cloudron
Encrypted Email Email Server Add a feature

50 Like
Mailpile

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...
- Mailpile is single-user (personal) environment Guest • Jul 2018 • 2 agrees and 1 disagrees
- Mailpile needs to run on a computer Guest • Jan 2018 • 2 agrees and 1 disagrees
Free Open Source Linux Web Self-Hosted OpenPGP
Encrypted Email POP3 Support Web-Based Add a feature

113 Like
Isotope Mail Client

Microservice based webmail client built with ReactJS and Spring. Minimalistic webmail client which currently has the main features of any other mail client (read...

Free Open Source Mac Windows Linux Web Self-Hosted ... Kubernetes Docker OpenShift
Autocompletion Support for Docker Dockerized Drag n drop ... Email Server No database needed Rich text editing Web-Based Add a feature

1 Like
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...

Free Open Source Web Self-Hosted
CalDAV Add a feature

25 Like
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...

Freemium Open Source Linux BSD Self-Hosted
Email Server Add a feature

20 Like
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...

Free Open Source Self-Hosted Roundcube
Email Server Support for IMAP Nextcloud integration Security & Privacy Add a feature

13 Like
Zimbra Collaboration Suite

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more. With the most innovative web application available today, Zimbra...

Freemium Open Source Linux Web Self-Hosted
Active Directory integration ActiveSync Email Server Real time collaboration ... Team Collaboration Add a feature

29 Like
Kolab Community

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Freemium Open Source Linux Web Self-Hosted
CalDAV CardDAV Real time collaboration Support for WebDAV Add a feature

38 Like
Know any more alternatives to Roundcube?
Suggest an application to this list
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...

Free Open Source Self-Hosted PHP
Cross-platform Exchange On-premises software SMTP Add a feature

24 Like
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...

Free Open Source Web Self-Hosted
No features added Add a feature

16 Like