Gmail
Free Personal
Gmail is Google's email platform which is free for personal use. It is currently one of the most popular and widely used email platform which as clients for a…
Mailpile
Open Source
Mailpile is a webmail client with encryption and privacy features built-in. Mailpile is free and open-source software.
SOGo
Open Source
SOGo (Scalable OpenGroupware.org) is an open source collaborative software (groupware) server with a focus on simplicity and scalability.
Rainloop
Open Source
RainLoop Webmail is a simple, modern & fast web-based email client.
iRedMail
Open Source
iRedMail is a free, OpenSource mail server.
mailcow
Open Source
mailcow is a mail server suite.
Roundcube
Open Source
Roundcube is a web-based IMAP email client. Roundcube's most prominent feature is the pervasive use of Ajax technology.
Zoho Mail
Freemium
Zoho Mail is a email service with ample storage, POP and IMAP access, some integration with instant messaging and online office suites.
Zimbra Collaboration Suite
Freemium
Zimbra offers an open source email platform for the enterprise.
Squirrelmail
Open Source
SquirrelMail provides both a web-based email client and a proxy server for the IMAP protocol.
Webmail Lite
Open Source
Webmail Lite is an open-source webmail frontend.
Compare Horde with alternatives
Compare Zimbra Collaboration Suite and Horde and decide which is most suitable for you.