2
Score: 98%
FreeOpen SourceWebWindowsMacLinux
More E-Mail the battery of user-friendly encryption and privacy features with a modern, fast webmail client. The development is supported by a large community of supporters, in the stack of mail Features:Free,Open,Source,Mac,Windows,Linux,Web,Self-Hosted
Alternatives 4
Score: 95%
FreeOpen Source
More Simple, modern and fast web-based e-mail client. System requirements, good performance, simple installation and upgrade, no database is modest. To do All this Features:Free,Open,Source,Self-Hosted,JavaScript,PHP,Cloudron
Alternatives 6
Kolab Community
Score: 90%
FreeOpen SourceWebLinux
More Simple Groupware is a secure, scalable, reliable, flexible, highly-featured collaboration suite. Features:Free,Open,Source,Linux,Web,Self-Hosted
8
Score: 95%
CommercialWebLinux
More Zimbra Collaboration e-mail, calendar, tasks, and more open, secure collaboration tool. Today, the most innovative web application, Zimbra Features:Commercial,Linux,Web
Alternatives 10
Score: 84%
FreeOpen SourceWeb
More Horde Groupware is a free, "enterprise ready", browser based collaboration suite. Users can manage and share calendars, contacts, tasks, notes, and standards Features:Free,Open,Source,Web,Self-Hosted
Alternatives 12
Score: 85%
FreeOpen Source
More In PHP SquirrelMail is a standards-based webmail package written. Built in pure PHP support for the IMAP and SMTP protocols, and includes all the pages in pure rendering Features:Free,Open,Source,Self-Hosted,PHP
Alternatives 14
Score: 85%
FreeOpen SourceWindows
More HMailServer free email server for Microsoft Windows. All of these internet service providers, companies, governments, schools and enthusiasts Features:Free,Open,Source,Windows
Alternatives 16
Mailcow: dockerized
Score: 86%
FreeOpen SourceLinux
More Mailcow Dovecot, Postfix, SOGo, open source software provides a modern web UI for the management and other rspamd-based E-mail server suite. Features:Free,Open,Source,Linux
18
Score: 81%
FreeOpen SourceWeb
More Disroot freedom, privacy, platform, via online services, based on the principles of Federation and decentralization. Features:Free,Open,Source,Web
Alternatives 20
Score: 92%
FreeOpen SourceLinux
More (GPL) v2 " full-fledged, free email server solution, an open-source project. The i386 and x86_64, Linux/BSD distributions use the official binary packages Features:Free,Open,Source,Linux,BSD,Self-Hosted
Alternatives 22
Score: 77%
FreeOpen SourceWeb
More Open source WebMail Lite is a clean and simple web mail for the user, the high-featured WebMail pro Application Server Community Edition for free Features:Free,Open,Source,Web,Self-Hosted
Alternatives 24
Score: 73%
FreeOpen Source
More Easy hotspot in a box, the control of E-Mail with the mail server. Fresh MailinaBox a mail server running in a cloud-it turns your computer. Get in contact with Features:Free,Open,Source,Self-Hosted,Roundcube
Alternatives 26
Score: 53%
FreeOpen SourceWeb
More Proton mail client for the self hosted server. Features:Free,Open,Source,Web,Self-Hosted
Alternatives 28
Score: 100%
FreeOpen Source
More Simple, fast and secure PHP /single-user feed and Mail Reader, password and bookmark manager based on AngularJS. Face cloud is a PHP Restful backend storage is divided into Features:Free,Open,Source,Self-Hosted,AngularJS
Alternatives 30
Score: 54%
FreeOpen SourceLinux
More Modoboa is a modern and simplified Web user interface, including E-mail hosting and management platform . Such Management provides useful components such as a panel or Features:Free,Open,Source,Linux,Self-Hosted
Alternatives Roundcube alternatives FAQ
What is the best Roundcube alternative?
Mailpile is currently the top-ranked option on this list based on community votes and item score.
Are there free Roundcube alternatives?
Yes. Free, freemium, or open-source options in this list include Mailpile, Rainloop, Kolab Community, Horde, Squirrelmail.
Which platforms are covered?
The alternatives in this list include options for Web, Linux, Windows, Mac, depending on each product.
How are alternatives ranked?
Alternatives are ordered by community voting signals, item score, and the available product details collected for each option.