Roundcube is described as 'Webmail is a browser-based multilingual IMAP client with an application-like user interface. It provides full functionality you expect from an e-mail client, including MIME support, address book, folder manipulation, message searching and spell checking' and is a very popular webmail provider in the office & productivity category. There are more than 25 alternatives to Roundcube for a variety of platforms, including Self-Hosted, Web-based, Linux, Docker and PHP apps. The best Roundcube alternative is Rainloop, which is both free and Open Source. Other great apps like Roundcube are Mailpile, Kolab, SOGo and Zimbra Collaboration Suite.
Real-time email, chat, audio/video calls & conferences, file-sharing, and contacts app with a modern and intuitive UI.
Bosnia & Herzegovina
NexMail is an open-source, modern webmail client designed for self-hosted email servers. Enjoy a clean, intuitive interface with powerful features for managing your emails efficiently.
Pakistan
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.
United States
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.
Postaci (Turkish for Postman) is multiplatform Webmail software which is database independent, multilanguage, POP3/IMAP, and fully MIME-compatible. While using POP3 mode to fetch messages it uses database fields to simulate IMAP folders, on which you can save, move, delete, and...
MrMail offers flexible Zimbra Hosting packages suitable for everyone, from single home user to a large company (SME) at superb prices and the best support in the industry.
Simple, easy and secure mail server with a convenient and simple interface. Automatic certificate renewal through Let’s encrypt. Redirect, local storage. IMAP and SMTP.
Germany
EU
WordSecure is a secure messaging portal, specifically designed for solo health insurance professionals. It lets you quickly and easy share the most confidential PHI messages and files in an encrypted manner to demonstrate best practices for HIPAA.
JMAP Webmail built for the 21st Century. A modern, self-hosted email client for Stalwart Mail Server powered by the JMAP protocol. Email, calendar, contacts and files. Fast, private, and open source.
GermanyEU
