Undertow is a webserver written in Java, providing both blocking and non-blocking API’s based on NIO.
Current Customer(s)
Market Share (Est.)
Ranking
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.
Popular Comparisons
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
Undertow vs LiteSpeed Web Server
Undertow vs OpenResty
Undertow vs Apache
Undertow vs Apache HTTP Server
Undertow vs Microsoft IIS
Undertow vs Phusion Passenger
Undertow vs Google Cloud Functions
Around the world in 2025, over 1608 companies have started using Undertow as Web And Application Servers tool.
Customers | Employee Range | City | Region | Country | Social Links |
---|---|---|---|---|---|
国信证券 | 10,000+ | Shenzhen | Guangdong | People's Republic of China | |
Generali | 10,000+ | Bologna | Emilia-Romagna | Italy | |
Garanti BBVA | 10,000+ | Istanbul | Istanbul | Turkey | |
New York State | 10,000+ | Albany | New York | United States | |
The Florida Department Of Education | 10,000+ | Tallahassee | Florida | United States | |
Caltrans | 10,000+ | Sacramento | California | United States | |
TD Bank | 10,000+ | Toronto | Ontario | Canada | |
Dillinger | 5,000 - 9,999 | Dillingen | Saarland | Germany | |
UERJ | 5,000 - 9,999 | Rio de Janeiro | Rio de Janeiro | Brazil | |
BIHAR STATE ELECTRONICS DEVELOPMENT | 5,000 - 9,999 | Patna | Bihar | India |
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
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
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
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.
What is Undertow customer distribution based on company size?
What is Undertow market share in the web-and-application-servers?
What are the top countries that use Undertow?
What are the top industries that use Undertow?
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