The best Email Client alternative to SnappyMail is Roundcube, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 10 alternatives to SnappyMail and seven of them are Email Clients so hopefully you can find a suitable replacement. Other interesting Email Client alternatives to SnappyMail are Mailpile, Rainloop, Nexmail and Cypht.
Roundcube 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.
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.
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.
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.
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 one. And it's also a news reader :).
Atmail webmail system offers a webmail client, email server platform and mailserver appliance for Linux, Unix and Windows.
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...).
Switzerland
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SnappyMail is a fork of Rainloop aiming to adresse several issues regarding, security, bugs, and features. The design between the two is very much the same but i wouldn't advise going for Rainloop because at this point it's pretty much a direct downgrade from Snappymail