Zarafa Alternatives

Zimbra Collaboration e-mail, calendar, tasks, and more open, secure collaboration tool. Today, the most innovative web application, Zimbra Features:Commercial,Linux,Web

(GPL) v2 " full-fledged, free email server solution, an open-source project. The i386 and x86_64, Linux/BSD distributions use the official binary packages Features:Free,Open,Source,Linux,BSD,Self-Hosted

Microsoft Exchange Server was developed for messaging and Collaboration software product from Microsoft. Server products, which is part of the Microsoft Server. Features:Commercial,Windows,Web

Axigen can integrate offers a multi-tenant, multi, allinone, e-mail, calendar, messaging, and collaboration solutions. The brand offers a wide Features:Commercial,Mac,Windows,Linux,BSD,Self-Hosted

Sophias business-critical e-mail for the solution of problems is a fully-featured e-mail and collaboration server is to: maximize your privacy, portability, and cost efficiency, admin & user Features:Commercial,BSD,VirtualBox,Self-Hosted,VMware,vSphere,Hypervisor

OpenChange is a portable open source application that aims to Microsoft Exchange Server and Exchange protocols. Exchange is a Groupware server designed to work in Features:Free,Open,Source,Linux

Messaging and group collaboration package. This is for execution on the open-source operating systems such as Linux or BSD. The modernisation of the castle Features:Free,Open,Source,Linux,Web

Corporate E-Mail for the enterprise cloud installation, configuration, and management tools for software development, collaboration, messaging, video conferencing, file Features:Commercial,Linux

Fast, secure, hard-to-E-mail solution. Client access, LAN-or Wan-to-self-hosted-server, maintenance-free design. The Windows Server and the database server required, unlimited Features:Free,Windows,Self-Hosted

The problem with a strong support for mobile devices is a free messaging and collaboration platform useful for just a couple of thousands of users. Features:Free,Open,Source,Mac,Windows,Linux

Atmail allows you the choice between on-premise or cloud deployment. Features e-mail, contact, calendar, task, storage provisioning, and synchronization. Features:Commercial,Mac,Windows,Linux,Android,iPhone

Out of the box Xeams junk e-mail, to 99% with a powerful spam filtering engine that eliminates much more secure and powerful E-mail server. Software Features:Free,Personal,Mac,Windows,Linux,BSD

Afterlogic Aurora is an enterprise collaboration system for small and medium-sized enterprises. Aurora, cooperation, webmail, contacts, calendar, files, provides and Features:Commercial,Open,Source,Windows,Web,Android,iPhone,Self-Hosted

DeskNow mail and collaboration server with antivirus and use anti-spam, build you to use a full-featured and easy to use. For mobile devices * licensed separately. Features:Commercial,Windows,Linux