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Roundcube

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Roundcube is an open source browser-based multilingual IMAP client with an application-like user interface.

Email Client
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Market Share of Roundcube

Current Customer(s)

325

Market Share (Est.)

0.01%

Ranking

#9

Top Competitors and Alternatives of Roundcube

The top three of Roundcube’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.

TechnologyDomainsMarket Share (Est.)Versus page
Microsoft Outlook368582894.72%Roundcube vs Microsoft Outlook
Amazon WorkMail1402323.60%Roundcube vs Amazon WorkMail
Yahoo Business Mail562651.45%Roundcube vs Yahoo Business Mail
Zimbra48000.12%Roundcube vs Zimbra
Logix Cloud Email16090.04%Roundcube vs Logix Cloud Email
Salesforce Inbox11020.03%Roundcube vs Salesforce Inbox
Apple Mail3370.01%Roundcube vs Apple Mail
HCL Notes3340.01%Roundcube vs HCL Notes
MDaemon Email Server1400.00%Roundcube vs MDaemon Email Server
eM Client920.00%Roundcube vs eM Client
Gaggle Mail670.00%Roundcube vs Gaggle Mail
Hiri570.00%Roundcube vs Hiri
Rambox400.00%Roundcube vs Rambox
Afterlogic Webmail280.00%Roundcube vs Afterlogic Webmail
SmarterMail250.00%Roundcube vs SmarterMail
PreVeil250.00%Roundcube vs PreVeil
HCL Verse160.00%Roundcube vs HCL Verse
UebiMiau140.00%Roundcube vs UebiMiau
Outpost140.00%Roundcube vs Outpost
Zoho SalesInbox130.00%Roundcube vs Zoho SalesInbox
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Popular Comparisons

Top Competitors and Alternatives of Roundcube

The top three of Roundcube’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.

Roundcube vs Microsoft Outlook

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Roundcube vs Amazon WorkMail

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Roundcube vs Yahoo Business Mail

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Roundcube vs Zimbra

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Roundcube vs Logix Cloud Email

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Roundcube vs Salesforce Inbox

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Roundcube vs Apple Mail

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Roundcube vs HCL Notes

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Customers of Roundcube

Around the world in 2025, over 325 companies have started using Roundcube as Email Client tool.

CustomersEmployee RangeCityRegionCountrySocial Links
EG America10,000+WestboroughMassachusettsUnited States
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Upwork10,000+Palo AltoCaliforniaUnited States
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Atos10,000+BezonsIle-de-FranceFrance
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Walgreens10,000+DeerfieldIllinoisUnited States
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Orange Business10,000+Issy-les-MoulineauxIle-de-FranceFrance
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University Of Peradeniya10,000+ColomboWesternSri Lanka
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University Of Florida10,000+GainesvilleFloridaUnited States
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DXC Technology10,000+AshburnVirginiaUnited States
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Rogers Communications10,000+TorontoOntarioCanada
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TEKsystems10,000+HanoverMarylandUnited States
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Roundcube Customers by Products and Services

The top three products and services offering customers that use Roundcube for Email Client are Higher Education (14), Cloud Services (12), Research (11).

Customers

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Roundcube Customers by Employee Size

The majority of Roundcube's customers for the email-client category fall in the company size of 100 - 249 employees (74 companies), 20 - 49 employees (66 companies), 0 - 9 employees (49 companies).

Employee Size

Roundcube Customers by Geography

The top three geographies of Roundcube for email-client are the United States with 74(37.19%), Brazil with 24(12.06%), India with 19(9.55%) customers respectively.

Customers

Employees of Roundcube

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Also see other Products/Services by Roundcube in:

Email Client

FAQ

Find answers to the most often asked questions by users.

Who are the top Roundcube competitors?

Roundcube’s Top competitors in the email-client category are Microsoft Outlook, Amazon WorkMail, Yahoo Business Mail. You can view a full list of Roundcube competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Roundcube and 40,000 other technologies on the internet. You can also compare Roundcube and its feature with top competitors here : Roundcube vs Microsoft Outlook Roundcube vs Amazon WorkMail Roundcube vs Yahoo Business Mail.

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What is Roundcube customer distribution based on company size?

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What is Roundcube market share in the email-client?

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What are the top countries that use Roundcube?

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What are the top industries that use Roundcube?

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