Zeta ALLIANCE

An alliance of users, partners, and contributors for the Zimbra Email & Collaboration Platform
to help ensure its long term success and health as an open source project.

Zimbra.org Extensions  Zimbra.com Wiki  Github

SafeBolt | Making encrypted communications easy.

Encrypted email product based on Zimbra.

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Zimbra FOSS Two-Factor Authentication

Zimbra Open Source Two Factor Authentication powered by PrivacyIDEA.

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Integration with Nextcloud

Add Nextcloud, ownCloud or any WebDAV server to your Zimbra webmail.


WebDAV Extension

Support for OpenPGP

PGP Email encryption for Zimbra mail.



OpenPGP Zimlet

Zimbra Share Toolkit

Create and manage shared mailboxes. Share department and team mailboxes with individual users. (Family mailbox).

Zimbra Share Toolkit