Zimbra, a Synacor product, is an enterprise-class email collaboration solution built for the cloud, both public and private. It delivers your mailbox, contacts, calendar, tasks, files and much more on any device: smartphone, tablet or iPad and desktop or laptop computer running Windows, Linux or OS X.
Zimbra Collaboration is an open source messaging and collaboration solution, trusted by over 5,000 companies in 140 countries, powering over 500 million mailboxes worldwide. Zimbra includes complete email, address book, calendar, file-sharing, tasks, chat and video chat, and it can be accessed from the Zimbra Web client, MS Outlook, Mozilla Thunderbird and other standards-based email clients and mobile devices. Zimbra Collaboration is deployment agnostic and can be deployed on-premises, in the cloud or as a hybrid service, enabling customers to select options based on data privacy and security. It is also offered as a Hosted Service by the Zimbra Business Solution Provider Network.