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Thunderbird

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Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Email Client
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Market Share of Thunderbird

Current Customer(s)

11

Market Share (Est.)

0.00%

Ranking

#19

Top Competitors and Alternatives of Thunderbird

The top three of Thunderbird’s competitors in the Email Client category are Microsoft Outlook with 94.83%, Amazon WorkMail with 3.61%, Yahoo Business Mail with 1.44% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Microsoft Outlook386760694.83%Thunderbird vs Microsoft Outlook
Amazon WorkMail1471703.61%Thunderbird vs Amazon WorkMail
Yahoo Business Mail588771.44%Thunderbird vs Yahoo Business Mail
Zimbra19580.05%Thunderbird vs Zimbra
Logix Cloud Email16940.04%Thunderbird vs Logix Cloud Email
Salesforce Inbox4690.01%Thunderbird vs Salesforce Inbox
Apple Mail1750.00%Thunderbird vs Apple Mail
HCL Notes1650.00%Thunderbird vs HCL Notes
Roundcube1350.00%Thunderbird vs Roundcube
Gaggle Mail650.00%Thunderbird vs Gaggle Mail
MDaemon Email Server590.00%Thunderbird vs MDaemon Email Server
Hiri540.00%Thunderbird vs Hiri
eM Client400.00%Thunderbird vs eM Client
Rambox360.00%Thunderbird vs Rambox
Afterlogic Webmail270.00%Thunderbird vs Afterlogic Webmail
PreVeil230.00%Thunderbird vs PreVeil
UebiMiau140.00%Thunderbird vs UebiMiau
Zoho SalesInbox130.00%Thunderbird vs Zoho SalesInbox
SmarterMail110.00%Thunderbird vs SmarterMail
Outpost100.00%Thunderbird vs Outpost
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Popular Comparisons

Top Competitors and Alternatives of Thunderbird

The top three of Thunderbird’s competitors in the Email Client category are Microsoft Outlook with 94.83%, Amazon WorkMail with 3.61%, Yahoo Business Mail with 1.44% market share.

Thunderbird vs Microsoft Outlook

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Thunderbird vs Amazon WorkMail

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Thunderbird vs Yahoo Business Mail

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Thunderbird vs Zimbra

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Thunderbird vs Logix Cloud Email

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Thunderbird vs Salesforce Inbox

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Thunderbird vs Apple Mail

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Thunderbird vs HCL Notes

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Customers of Thunderbird

Around the world in 2025, over 11 companies have started using Thunderbird as Email Client tool.

CustomersEmployee RangeCityRegionCountrySocial Links
Mozilla1,000 - 4,999San FranciscoCaliforniaUnited States
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Iris Software Inc.1,000 - 4,999NoidaUttar PradeshIndia
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eAskme0 - 9ChandigarhChandigarhIndia
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Bugcrowd1,000 - 4,999San FranciscoCaliforniaUnited States
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TechBrains0 - 9San FranciscoCaliforniaUnited States
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RemoteFront0 - 9KolkataWest BengalIndia
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Scanline VFX500 - 999VancouverBritish ColumbiaCanada
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Vollna0 - 9LondonEnglandUnited Kingdom
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Sovereign's Capital20 - 49AtlantaGeorgiaUnited States
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Jason Robinson20 - 49HoustonTexasUnited States
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Thunderbird Customers by Products and Services

The top three products and services offering customers that use Thunderbird for Email Client are Application Maintenance (1), IT Consulting (1), UI/UX Design (1).

Customers

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Thunderbird Customers by Employee Size

The majority of Thunderbird's customers for the email-client category fall in the company size of 0 - 9 employees (5 companies), 1,000 - 4,999 employees (3 companies), 20 - 49 employees (2 companies).

Employee Size

Thunderbird Customers by Geography

The top three geographies of Thunderbird for email-client are the United States with 6(54.55%), India with 3(27.27%), United Kingdom with 1(9.09%) customers respectively.

Customers

Employees of Thunderbird

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Also see other Products/Services by Thunderbird in:

Email Client

FAQ

Find answers to the most often asked questions by users.

Who are the top Thunderbird competitors?

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

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What is Thunderbird customer distribution based on company size?

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What is Thunderbird market share in the email-client?

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What are the top countries that use Thunderbird?

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What are the top industries that use Thunderbird?

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