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...
- PHP based and customizable more than roundcube, more modern ui Guest • Sep 2017 • 3 agrees and 1 disagrees
Free Open Source Self-Hosted JavaScript PHP Cloudron
Encrypted Email Email Server Add a feature

44 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 • 1 agrees and 1 disagrees
- Mailpile needs to run on a computer Guest • Jan 2018 • 1 agrees and 0 disagrees
Free Open Source Mac Windows Linux Web Self-Hosted ... OpenPGP
Encrypted Email POP3 Support Web-Based Add a feature

109 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

37 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

19 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

24 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
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

12 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
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
On-premises software Add a feature

23 Like
NeutronMail

Self-hosted server for the ProtonMail client.
- Discontinued No longer supported
Free Open Source Web Self-Hosted
Apps with End-to-End Encryption Web-Based Add a feature

7 Like
Cypht

All your E-mail, from all your accounts, in one place. Cypht is like a news reader, but for E-mail. Cypht does not replace your existing accounts - it combines them into...

Free Open Source Self-Hosted
Built-in RSS reader Apps with End-to-End Encryption Modules POP3 Support Add a feature

7 Like
CacoCloud

A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and bookmark manager. CacoCloud is divided into a RESTful PHP backend storing...
- Discontinued The project is no longer developed. Last version, 0.1.1, released in February 2015, can be still downloaded from the official website.
Free Open Source Self-Hosted AngularJS
Web-Based Add a feature

9 Like
Modoboa

Modoboa is a mail hosting and management platform including a modern and simplified Web User Interface . It provides useful components such as an administration panel or...

Free Open Source Linux Self-Hosted
Modular System Add a feature

6 Like
PrivMX WebMail

Alternative, self-hosted private mail system. End-to-end encryption for messages and attachments. Easy to install and administration. Allows also to create end-to-end...

Free Self-Hosted PHP
Encryption Apps with End-to-End Encryption Web Forms Add a feature

2 Like