Zimbra
Zimbra provides open source server and client software for messaging and collaboration.
Market Share of Zimbra
Current Customer(s)
4800
Market Share (Est.)
0.12%
Ranking
#4
Top Competitors and Alternatives of Zimbra
The top three of Zimbra’s competitors in the Email Client category are Microsoft Outlook with 94.72%, Amazon WorkMail with 3.60%, Yahoo Business Mail with 1.45% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Microsoft Outlook | 3685828 | 94.72% | Zimbra vs Microsoft Outlook |
| Amazon WorkMail | 140232 | 3.60% | Zimbra vs Amazon WorkMail |
| Yahoo Business Mail | 56265 | 1.45% | Zimbra vs Yahoo Business Mail |
| Logix Cloud Email | 1609 | 0.04% | Zimbra vs Logix Cloud Email |
| Salesforce Inbox | 1102 | 0.03% | Zimbra vs Salesforce Inbox |
| Apple Mail | 337 | 0.01% | Zimbra vs Apple Mail |
| HCL Notes | 334 | 0.01% | Zimbra vs HCL Notes |
| Roundcube | 325 | 0.01% | Zimbra vs Roundcube |
| MDaemon Email Server | 140 | 0.00% | Zimbra vs MDaemon Email Server |
| eM Client | 92 | 0.00% | Zimbra vs eM Client |
| Gaggle Mail | 67 | 0.00% | Zimbra vs Gaggle Mail |
| Hiri | 57 | 0.00% | Zimbra vs Hiri |
| Rambox | 40 | 0.00% | Zimbra vs Rambox |
| Afterlogic Webmail | 28 | 0.00% | Zimbra vs Afterlogic Webmail |
| SmarterMail | 25 | 0.00% | Zimbra vs SmarterMail |
| PreVeil | 25 | 0.00% | Zimbra vs PreVeil |
| HCL Verse | 16 | 0.00% | Zimbra vs HCL Verse |
| UebiMiau | 14 | 0.00% | Zimbra vs UebiMiau |
| Outpost | 14 | 0.00% | Zimbra vs Outpost |
| Zoho SalesInbox | 13 | 0.00% | Zimbra vs Zoho SalesInbox |
Popular Comparisons
Top Competitors and Alternatives of Zimbra
The top three of Zimbra’s competitors in the Email Client category are Microsoft Outlook with 94.72%, Amazon WorkMail with 3.60%, Yahoo Business Mail with 1.45% market share.
Zimbra vs Microsoft Outlook
Zimbra vs Amazon WorkMail
Zimbra vs Yahoo Business Mail
Zimbra vs Logix Cloud Email
Zimbra vs Salesforce Inbox
Zimbra vs Apple Mail
Zimbra vs HCL Notes
Zimbra vs Roundcube
Customers of Zimbra
Around the world in 2025, over 4800 companies have started using Zimbra as Email Client tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| DXC Technology | 10,000+ | Ashburn | Virginia | United States |     |
| EY | 10,000+ | London | England | United Kingdom | |
| Qualfon | 10,000+ | Highland Park | Michigan | United States | |
| Unam | 10,000+ | Mexico City | Mexico City | Mexico | |
| PT DJARUM | 10,000+ | Jakarta | Jakarta | Indonesia | |
| University Of Pennsylvania Health System | 10,000+ | Philadelphia | Pennsylvania | United States | |
| Capgemini | 10,000+ | Paris | Ile-de-France | France | |
| Fundação José Silveira | 10,000+ | Salvador | Bahia | Brazil | |
| APF France Handicap | 10,000+ | Paris | Ile-de-France | France | |
| Mphasis | 10,000+ | Bengaluru | Karnataka | India | |
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Zimbra Customers by Products and Services
The top three products and services offering customers that use Zimbra for Email Client are Managed Services (122), Cloud Computing (121), Cloud Services (120).
Customers
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Zimbra Customers by Employee Size
The majority of Zimbra's customers for the email-client category fall in the company size of 100 - 249 employees (1083 companies), 20 - 49 employees (827 companies), 1,000 - 4,999 employees (721 companies).
Employee Size
Zimbra Customers by Geography
The top three geographies of Zimbra for email-client are the United States with 973(30.53%), Brazil with 615(19.30%), India with 464(14.56%) customers respectively.
Customers
Employees of Zimbra
Also see other Products/Services by Zimbra in:
FAQ
Find answers to the most often asked questions by users.
Who are the top Zimbra competitors?
Zimbra’s Top competitors in the email-client category are Microsoft Outlook, Amazon WorkMail, Yahoo Business Mail. You can view a full list of Zimbra competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Zimbra and 40,000 other technologies on the internet. You can also compare Zimbra and its feature with top competitors here : Zimbra vs Microsoft Outlook Zimbra vs Amazon WorkMail Zimbra vs Yahoo Business Mail.
What is Zimbra customer distribution based on company size?
What is Zimbra market share in the email-client?
What are the top countries that use Zimbra?
What are the top industries that use Zimbra?
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