This product provide a lot of interesting features such as share files, calendar, tasks and schedule.
Secure, fast and user friendly.
Connect users to their personal smarter mailbox that integrates email, tasks, address book, calendar, files and enterprise applications
Can connect anywhere on any smartphone or other device with IMAP/POP, CalDAV and CarDAV
Work online or offline with Zimbra Desktop or clients such as Microsoft Outlook using IMAP/POP, CalDAV and CarDAV
Integrate with external directories for authentication, address lists and provisioning
The social network plugin could work better.
Communication between co-workers, I realized easy way to communication and to exchange information.