JSP Engine List

Just list :)

Engine	License
BEA Weblogic	Commercial
Blazix Java Server	Commercial
IBM Websphere	Commercial
JBoss	LGPL, Open Source
Jetty	Open Source
JRUN	Commercial
LiteWebServer	BSD-style Open Source
NGASI	N/A
Orion	Commercial
Resin	Commercial, Open Source
Servlet Exec	Commercial
SUN One Application Server	Commercial
TOMCAT	Apache Software Licence, Open Source