Zimbra Open Source Edition is the same stable, secure and reliable code-base as the other Zimbra Editions. There is no limit to how many mailboxes you have on your Zimbra server, no limit on the number of Zimbra servers in your organisation and no limit on storage. No limits.

There are some additional features the other Zimbra Editions provide. Compare Zimbra Open Source with the other Editions.

Zimbra Open Source Edition is free in perpetuity (providing you comply with the associated licensing terms). It does not, however, include Zimbra Support or software subscription.

For support, you can utilise the excellent Zimbra Community, request support from Agileware or contact any one of the many other IT companies that support Zimbra today. Agileware do provide support services for Zimbra Open Source Edition.

Zimbra Open Source Edition is freely available for you to test, evaluate, deploy, customize, and improve. In doing so Zimbra hope that you will participate in the Zimbra Community, to make Zimbra a better product for everyone.

You can download Zimbra Open Source Edition right now, for free without paying anything. Download from http://www.zimbra.com/community/downloads.html

Notes:

• You can at anytime upgrade from Zimbra Open Source Edition to Starter, Standard or Professional Edition
• You can at anytime downgrade Zimbra Starter, Standard or Professional Edition to Zimbra Open Source Edition