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Open-Xchange vs Zimbra Collaboration comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on May 21, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Open-Xchange
Ranking in Email Applications
11th
Average Rating
8.0
Number of Reviews
2
Ranking in other categories
No ranking in other categories
Zimbra Collaboration
Ranking in Email Applications
6th
Average Rating
8.0
Reviews Sentiment
7.3
Number of Reviews
28
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2026, in the Email Applications category, the mindshare of Open-Xchange is 6.3%, up from 5.3% compared to the previous year. The mindshare of Zimbra Collaboration is 6.7%, down from 8.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Email Applications Mindshare Distribution
ProductMindshare (%)
Zimbra Collaboration6.7%
Open-Xchange6.3%
Other87.0%
Email Applications
 

Featured Reviews

DS
Owner at David Strom Inc.
Collaborate Using Open Xchange App Suite
A flexible unified communications service for collaborative workgroups that can share files, import and export contacts and calendars from a wide variety of data sources and Web services, including Facebook, LinkedIn, Twitter and Google’s Gmail. Entirely open-source based Price: Varies…
Vidya Shree - PeerSpot reviewer
CTO at Molecular Connections Private Limited
Deploys quickly and has a good web interface
Zimbra Collaboration has a good web interface When it comes to administration tasks like configuring specific filters or group signatures, I have to dig into the configuration since there's nothing in the graphical or web interface. The solution’s forums don't have much information or…
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Top Industries

By visitors reading reviews
Computer Software Company
13%
Comms Service Provider
12%
Outsourcing Company
8%
Financial Services Firm
8%
Computer Software Company
9%
Outsourcing Company
9%
Comms Service Provider
8%
Construction Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
By reviewers
Company SizeCount
Small Business19
Midsize Enterprise3
Large Enterprise7
 

Questions from the Community

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How does Zimbra Collaboration compare with Microsoft Exchange?
Zimbra is a free, open source collaborative software suite. The features I like best are the ease of integration and the email, calendar, and collaboration server with web interface. In addition, I...
What needs improvement with Zimbra Collaboration?
When it comes to administration tasks like configuring specific filters or group signatures, I have to dig into the configuration since there's nothing in the graphical or web interface. The soluti...
 

Overview

 

Sample Customers

1&1, Host Europe, KPN, Ziggo, namecheap, Strato, Network Solutions
NEC Biglobe, City of Ventura, Monterey Bay Aquarium Research Institute, Hola Publishing, BIG, Sleepwell, LaFayette College, Xmission, DNA, Ring Line, Future Group, TIGC
Find out what your peers are saying about Google, Microsoft, Amazon Web Services (AWS) and others in Email Applications. Updated: May 2026.
900,747 professionals have used our research since 2012.