Zimbra Collaboration Enterprise Collaboration vs. OpenText GroupWise

Zimbra, a Synacor product, is an email and collaboration platform that includes contacts, calendar, tasks, instant messaging, and file sharing, plus add-ons such as videoconferencing, document creation, and file storage. Zimbra powers hundreds of millions of mailboxes in 140+ countries and is offered through more than 500 BSPs and 2000 channel partners. Enterprises, governments, and service providers trust Zimbra. Zimbra can be deployed in the cloud, on-premises (private cloud), or as a hybrid service. The Zimbra Business Solution Provider Network offers it as a Hosted Service.

Micro Focus GroupWise is a complete collaboration software solution that provides email, scheduling, instant messaging, task management, contact management, and document management functions.