Zimbra Gallery:How to Contribute
You can easily contribute Extensions (for example: zimlets, themes and extras) to the Zimbra Gallery. This document provides a brief overview contribution process.
You must be a registered user of the Zimbra Gallery before adding an Extension. You can register by clicking the "Sign Up" link located in the upper-right of the Zimbra Gallery pages. You can choose.
Note: Your Zimbra Forums account will work with the Zimbra Gallery.
After obtaining an account, you can login by entering your username and password on the login screen. After logging in, the "Add Extension" link will be available in the top navigation area of the Zimbra Gallery.