Editors' Note: The 'Download Now' link will prompt you to download the Thunderbird extension. To install the extension directly, choose to open the file instead of choosing to save the file to your desktop.
Zindus is a Thunderbird add-on that helps to manage your Gmail contacts from Thunderbird and vice-versa. Sync Thunderbird address book(s) with your Zimbra account. It synchronizes personal address book, other (selected) address books, shared address books, and the Global Address List (GAL).