Horde Alternatives [Page 3]

Gmail is available across all your devices Android, iOS, and desktop devices. Sort, collaborate or call a friend without leaving your inbox.

Secure email with absolutely no compromises. Get your free encrypted email account today.

freemium €5.0 / Monthly (user - 5 GB)

VoIPstudio is an award-winning VoIP system that offers businesses of all sizes a scalable communication solution. It’s inexpensive, easy-to-use, offers a full suite of PBX features, and is fully integrated for CRM.

Try for free paid Free Trial $4.99 / Monthly (User)

A simple, fast and secure PHP/AngularJS based single user feed and mail reader, password and...

ZeroMail , End-to-end encrypted, peer-to-peer not-instant messaging site.

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

Greatmail is an email hosting service provider built for businesses of all sizes.

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

Simple and easy-to use PHP e-mail client.

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.

Designed for those who settle only for the best — CrossBox is beautiful, dazzlingly fast, and comes with advanced features that provide you and your team with cutting-edge communication technologies.

paid €6.3 / Monthly

Webmail is an open-source webmail script for existing IMAP servers.

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

Mail.be Virtual office