Rainloop is described as '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' and is a popular webmail provider in the office & productivity category. There are more than 10 alternatives to Rainloop for a variety of platforms, including Self-Hosted, Web-based, Linux, Docker and PHP apps. The best Rainloop alternative is Roundcube, which is both free and Open Source. Other great apps like Rainloop are Mailpile, SOGo, Horde and SnappyMail.
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...
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...).
Spain
EU
High security web-based e-mail system which extends considerably the email system to much more than currently exists.
ihasmail is a webmail client for Stalwart Mail Server. It handles mail, calendars, contacts, file storage and Sieve filters in a single responsive interface that works on a phone as well as a desktop monitor.
India
Vietnam
