HTTP Server

Apache HTTP Server – https://httpd.apache.org/
NGINX – https://www.nginx.com/

HTTP server and Java servlet container

Tomcat – http://tomcat.apache.org/

J2EE Application Servers

 Open Source

WildFly (Formerly known as JBOSS AS or just JBOSS) – http://wildfly.org/downloads/
GlassFish – https://glassfish.java.net/
Apache Geronimo – http://geronimo.apache.org/index.html

 Commercial

Weblogic – https://www.oracle.com/middleware/weblogic/index.html
Websphere – http://www-03.ibm.com/software/products/en/appserv-was
JBOSS EAP – https://developers.redhat.com/products/eap/overview/