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

Zimbra FOSS Two-Factor Authentication
now crowd funding!

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

Convenient and easy creation of mailbox shares and other stuff to get family mailbox like features.

Zimbra Share Toolkit