Openchange Alternatives

Months all-in-one online office suite. 6.8 the gearbox itself for companies to improve the productivity, and easy real-time collaboration. 6.8 Features:Free,Personal,Web

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

Kopano e-mail, video meetings, calendars, and notes in a single interface, the solution is file sharing. Kopano helps and works, except for smart people Features:Commercial,Mac,Windows,Linux,Web,Android

HMailServer free email server for Microsoft Windows. All of these internet service providers, companies, governments, schools and enthusiasts Features:Free,Open,Source,Windows

Enterprise-or cloud-based Office 365, the Microsoft Office products use software with this license is subscription-based services. Offers for consumers Features:Commercial,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

Low-cost virtual check e-mail for companies or hosted deployments for companies that want to use e-mail server software is easy. Webmail is integrated with the physician Features:Commercial,Windows

Open-source collaboration, existing Linux mail server, native mobile phone support, allows integration with the Outlook "Look & feel as the web-access" Features:Commercial,Mac,Windows,Linux,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

Mercury mail transport system on a local computer in the network or an E-mail server that sends and receives messages on behalf of a group of users. These Messages Features:Free,Personal,Windows

Icewarp provides a common solution for all the built-in communication and collaboration. Can be used for the on-premise or cloud deployment is a great tool for IceWarp Features:Commercial,Windows,Linux,Web

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

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