Jetty is a widely used open-source web server and servlet container. It is maintained by the Eclipse Foundation and provides a lightweight...
Best Tomcat Alternatives ranked by AI · updated Aug 2026
Tomcat is an open-source Java Servlet container and web server for hosting Java web applications. It is best known for broad Servlet and JSP compatibility, extensive documentation, and widespread production adoption.
Top 6 Tomcat alternatives
Vert.x is a toolkit for building reactive applications on the JVM.
Undertow is a lightweight, embeddable Java web server and Servlet container for developers building high-performance applications. It combines non-blocking I/O with a...
Pros
- Lightweight runtime footprint compared with full Java application servers
- Supports both blocking and non-blocking request handling
- Embeds cleanly into Java applications and frameworks
Cons
- Smaller ecosystem and community than Tomcat or Netty
- Less familiar configuration model for developers coming from Tomcat
- Fewer standalone deployment resources and tutorials than larger alternatives
Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers & clients.
Jetty is a widely used open-source web server and servlet container.
6
Grizzly is a NIO and Web framework for building scalable network applications.
Pros
- Scalability
- Offers Web framework
Cons
- Less active development
- Documentation can be sparse
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