Next-Generation Email, Calendar and Collaboration

Zimbra is a next-generation collaboration server that provides organizations greater overall flexibility and simplicity with integrated email, contacts, calendaring, sharing and document management plus mobility and desktop synchronization to users on any computer.

Download Open Source Edition


Zimbra Collaboration Server’s advanced web application and server is built on open standards and technologies to deliver unparalleled per-user scalability and lower overall total cost-of–ownership (TCO). It also offers more options than any other platform to meet the array of application deployment strategies, including on-premises or hosted email, all of which can be cloud and virtualization infrastructure.

Zimbra Collaboration Server is the most capable open source email and collaboration suite available today. Far outstripping what is possible with simple open source mail servers, Zimbra provides organizations major productivity boosts with global address lists, shared calendars and document management on the web or offline with Zimbra Desktop. Support for standard protocols enables use of virtually any desktop client or device for added end user flexibility.

Installation and administration is straightforward; all the interdependent components required by Zimbra are packaged within the server, eliminating any integration work by the administrator and management of the system is easily performed using the rich AJAX Admin Console. A vibrant community of IT experts, who are capable of handling most technical questions, supports Zimbra Collaboration Server Open Source Edition.

  • BoxZimbra Collaboration Suite (ZCS) Open Source Edition is available for you to test, evaluate, deploy, customize, and improve.
  • SystemZimbra provides world-class support, documentation, training, and professional services for Network Edition customers.
  • StatsLooking for stats or other additional resources? Browse through the Whitepapers to learn more.