Robust, all-round server for Servlet and JSP.
tomcat.apache.org
Alternatives to
Undertow
Best alternatives to Undertow in 2026
Undertow is "Web server providing both blocking and non-blocking APIs based on NIO. Used as a network layer in WildFly. (LGPL-2.1-only)". If you are looking for an alternative to Undertow in 2026 — whether for pricing, features or compatibility reasons — mySelectas has curated the 12 best options available. The most popular alternatives include: Apache Tomcat, Jetty. All these solutions are listed in the Informatique category.
Quick comparison of Undertow alternatives
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FAQ about Undertow alternatives
- What is the best alternative to Undertow in 2026?
- Based on our selection, Apache Tomcat is the best alternative to Undertow in 2026. Robust, all-round server for Servlet and JSP.. See our full ranking above to compare all options.
- Is Undertow free?
- Undertow is a paid tool. Several alternatives in our selection offer free or freemium versions.
- How many alternatives to Undertow are there?
- mySelectas has listed 12 alternatives to Undertow in the Informatique category. Our selection is updated regularly to include the best options available.