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. Synacor operates a turnkey, fully hosted/managed, and monetized solution for Service Providers.