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Undertow

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Undertow is a webserver​ written in Java, providing both blocking and non-blocking API’s based on NIO.

Web And Application Servers
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Market Share of Undertow

Current Customer(s)

1608

Market Share (Est.)

0.02%

Ranking

#29

Top Competitors and Alternatives of Undertow

The top three of Undertow’s competitors in the Web And Application Servers category are Nginx with 43.99%, LiteSpeed Web Server with 13.96%, OpenResty with 12.01% market share.

TechnologyDomainsMarket Share (Est.)Versus page
Nginx449846043.99%Undertow vs Nginx
LiteSpeed Web Server142737713.96%Undertow vs LiteSpeed Web Server
OpenResty122865612.01%Undertow vs OpenResty
Apache109936010.75%Undertow vs Apache
Apache HTTP Server106788210.44%Undertow vs Apache HTTP Server
Microsoft IIS7045116.89%Undertow vs Microsoft IIS
Phusion Passenger321900.31%Undertow vs Phusion Passenger
Google Cloud Functions229440.22%Undertow vs Google Cloud Functions
Varnish Cache207280.20%Undertow vs Varnish Cache
Apache Tomcat185660.18%Undertow vs Apache Tomcat
SAP NetWeaver158830.16%Undertow vs SAP NetWeaver
JBoss104770.10%Undertow vs JBoss
Microsoft Intune78390.08%Undertow vs Microsoft Intune
AOL Server71750.07%Undertow vs AOL Server
IBM CICS Transaction Server55510.05%Undertow vs IBM CICS Transaction Server
SUSE44540.04%Undertow vs SUSE
Oracle Application Server43740.04%Undertow vs Oracle Application Server
Springshare41020.04%Undertow vs Springshare
Azure Web Apps30690.03%Undertow vs Azure Web Apps
Oracle WebLogic Suite30580.03%Undertow vs Oracle WebLogic Suite
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Popular Comparisons

Top Competitors and Alternatives of Undertow

The top three of Undertow’s competitors in the Web And Application Servers category are Nginx with 43.99%, LiteSpeed Web Server with 13.96%, OpenResty with 12.01% market share.

Undertow vs Nginx

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Undertow vs LiteSpeed Web Server

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Undertow vs OpenResty

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Undertow vs Apache

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Undertow vs Apache HTTP Server

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Undertow vs Microsoft IIS

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Undertow vs Phusion Passenger

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Undertow vs Google Cloud Functions

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Customers of Undertow

Around the world in 2025, over 1608 companies have started using Undertow as Web And Application Servers tool.

CustomersEmployee RangeCityRegionCountrySocial Links
国信证券10,000+ShenzhenGuangdongPeople's Republic of China
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Generali10,000+BolognaEmilia-RomagnaItaly
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Garanti BBVA10,000+IstanbulIstanbulTurkey
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New York State10,000+AlbanyNew YorkUnited States
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The Florida Department Of Education10,000+TallahasseeFloridaUnited States
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Caltrans10,000+SacramentoCaliforniaUnited States
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TD Bank10,000+TorontoOntarioCanada
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Dillinger5,000 - 9,999DillingenSaarlandGermany
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UERJ5,000 - 9,999Rio de JaneiroRio de JaneiroBrazil
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BIHAR STATE ELECTRONICS DEVELOPMENT5,000 - 9,999PatnaBiharIndia
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Undertow Customers by Products and Services

The top three products and services offering customers that use Undertow for Web And Application Servers are Higher Education (20), Continuing Education (17), Research (12).

Customers

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Undertow Customers by Employee Size

The majority of Undertow's customers for the web-and-application-servers category fall in the company size of 0 - 9 employees (444 companies), 20 - 49 employees (345 companies), 100 - 249 employees (179 companies).

Employee Size

Undertow Customers by Geography

The top three geographies of Undertow for web-and-application-servers are the United States with 447(36.67%), Brazil with 429(35.19%), Spain with 66(5.41%) customers respectively.

Customers

Employees of Undertow

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Also see other Products/Services by Undertow in:

Web And Application Servers

FAQ

Find answers to the most often asked questions by users.

Who are the top Undertow competitors?

Undertow’s Top competitors in the web-and-application-servers category are Nginx, LiteSpeed Web Server, OpenResty. You can view a full list of Undertow competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Undertow and 40,000 other technologies on the internet. You can also compare Undertow and its feature with top competitors here : Undertow vs Nginx Undertow vs LiteSpeed Web Server Undertow vs OpenResty.

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What is Undertow customer distribution based on company size?

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What is Undertow market share in the web-and-application-servers?

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What are the top countries that use Undertow?

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What are the top industries that use Undertow?

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