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<strong>Billions</strong> of <span>messages</span> <strong>Billions</strong> of <span>updates</span> <strong>Billions</strong> of <span>memories</span>

More than 500 million people trust Zimbra to share what matters most.

Billions of messages

Billions of updates

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Built on the open source unified collaboration platform for

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135+ countries worldwide

500+ service providers worldwide

1000+ government & financial institutions

200K+ businesses worldwide use Zimbra in the cloud

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  • Mozilla
  • Comcast
  • Vodafone
  • Titleist
  • Dell
  • Red Hat

"Our activities in the social space are rooted in building relationships. Social destinations were created for this reason - connecting people and providing outlets to share. By maintaining our commitment to building these more personal relationships, we are able to provide our brand fans with an authentic social experience that is focused on connections, discussions and shared experiences." Mike DePaolo, Team Titleist Manager, Titleist

"Zimbra has enabled us to consolidate our hybrid email system into a single email solution. The performance of Zimbra is very good - emails are delivered faster; it supports a wide range of devices, platforms and email types." Pertisth Mankotia, Head of IT, Sheela Foam

"In two years, after buying the Zimbra license and paying for Zimbra support, we were paying less than we were with our legacy vendor. We had successfully achieved 100% ROI." Anand Rao, IT Manager, City of Garden Grove

Gain Insight

Ponemon Institute Research Report

The Open Source Collaboration Study: Viewpoints on Security and Privacy in the US and EMEA

More than 70% of IT professionals prefer open source to proprietary software for continuity, control. Download the full report for free.

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Product Announcement

Zimbra Collaboration 8.5

The latest release enables organizations to deliver secure collaboration in today's mobile workforce.

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Product Announcement

Zimbra Social 8.5

The latest release of Zimbra Social 8.5 helps today’s leading brands create unique social experiences. Expand your brand with a full suite of social applications and social networking tools.

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New Programs

Learn about our new Support program

Zimbra's expanded support program meets the needs of a global customer and partner base.

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Zimbra Blog

  • December 16, 2014General Availability: Zimbra Collaboration 8.6By Matthew Lewis
  • December 15, 2014Deployment: Part 1 in Considering Your Next Email SystemBy Matthew Lewis
  • December 10, 2014Open source for sensitive emailBy Matthew Lewis
  • December 5, 2014Zimbra Newsletter - December 2014By Chris Kee
  • November 27, 2014Giving Thanks to You in 2014By Jenn Emerson
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Top Events

  • On-Demand Webinar What's New in Zimbra Social 8.5

    Designed for people who are new to Zimbra Social, as well as current users, this 20-minute on-demand webinar gives an overview of Zimbra Social and highlights the latest features of the 8.5 release. 

  • Event Webinar: Automate your Day-to-Day Online Community Management January 16, 2015

    Zimbra is pleased to be a presenter for a live webinar during the Sitecore Wintercamp week, around automating community management activities. Join us to hear Jon Allen, Senior Director, Strategic Alliances at Zimbra explain how rules based management can drive and incentivize new levels of engagement. Get a new perspective on the power of automating community management, and learn how Zimbra Social 8.5 can empower organizations to take their online communities to new levels. Register today!

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