Apache Tomcat
an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies
en-US/əˈpæt͡ʃi ˈtɑmˌkæt/
en-GB/əˈpæt͡ʃɪ ˈtɒmkæt/
an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies