Top 12 iRedMail Alternatives

Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

The Power Email App for busy professionals, like you.

Apps/Evolution - GNOME Wiki!

Zimbra Collaboration is an open, secure collaboration tool for email, calendaring, tasks and more.

Web-based IMAP email client

Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Mailbird is the best email client for Windows 7, 8 and 10

There’s big news attached.

An open source mailserver suite.

Horde Groupware is a free, enterprise ready, browser based collaboration suite.

Sylpheed is a simple, lightweight but featureful, and easy-to-use e-mail client (mailer, MUA).

Claws Mail is an email client (and news reader), based on GTK+, featuring Quick response