This is functions comparison matrix between Tomcat, TomEE and TomEE+:
(Source: http://tomee.apache.org/comparison.html)
1. Tomcat vs TomEE
Tomcat is servlet container, support that supports servlet, and JSP technology. TomEE is more extensive than Tomcat, support supporting many anotherother Java EE technologies (specificed by JSR-xxx).
2. Compare TomEE vs TomEE+
TomEE contains:
CDI - Apache OpenWebBeans
EJB - Apache OpenEJB
JPA - Apache OpenJPA
JSF - Apache MyFaces
JSP - Apache Tomcat
JSTL - Apache Tomcat
JTA - Apache Geronimo Transaction
Servlet - Apache Tomcat
Javamail - Apache Geronimo JavaMail
Bean Validation - Apache BVal
TomEE+
The TomEE Plus distribution adds the following:
JAX-RS - Apache CXF
JAX-WS - Apache CXF
JMS - Apache ActiveMQ
Connector - Apache Geronimo Connector
(Source: http://tomee.apache.org/apache-tomee.html)
What is new in Tomcat? Of cource, see Tomcat change log.
What is new in TomEE plus? see TomEE change log.
3. Choose TomEE or TomEE plus?
See functions matrix at the above, pick your functions in your application what you will use. Then choose Servlet container/ Web profile application server / Application server by yourself.
