Both the Tomcat and Jetty are Web servers and Servlet/JavaServer Pages containers.

Difference

• Jetty is a Eclipse project, Tomcat is an Apache project
• Jetty is based on Handler, the extensions is also based on Handler, so it’s easy to add extensions. Tomcat is based on Container, but add extensions to Tomcat need to understand how Tomcat works, which makes if much more difficult to add extensions to Tomcat
• Jetty is much more lightweight