Servlets, JDBC, JTA, JavaME, JNDI, JavaOne,JMS,?JAX-WS, JPA, HSQL,Freemarker, JavaFX
Tomcat, JBoss, Glassfish,Weblogic
Lucene,JBPM,JFreeChart, JUnit, Log4J, CXF
JSF,Spring, Struts, Hibernate, EJB
Ant,Maven
Eclipse,Netbeans
Android, JRuby
JSP,Velocity
JMX, Portlets, Lombok, Devoxx, Javalobby, Axis, JIRA, RESTEasy, Terracotta, Ivy,? TestNG, Grails, Mule, ICU4J, MyFaces, Scala, James, Geronimo, JCS, OFBiz, Jetty, GWT, Websphere, JavaMail, FastUtil, Xerces, Griffon, JProbe, SLF4J, Wicket, XOM, Seam, Emma, HttpClient, EHCache, TheServerSide, Roo, Mockito, Guice, FOP, Kindle, Clojure, Clover, Hadoop, Jackrabbit, Livescribe pen, Commons, Tobago, IntelliJ, Jersey, Scalaz, HornetQ, JAX-RS, Lift, Derby, Freemarker,? Mylyn, Gaelyk, MINA, Play,? Cobertura, Antlr, Artima, Findbugs, Hessian, OGNL, Quartz, Trove, Tales, Javolution, QCon, Guava, Colt, Zing, Pico, JAXB, Applets, Groovy, BluRay, Tapestry, JavaRanch, JRoller, Fusion, Excelsior JET, BIRT, JDOM, Yourkit, SmartCard, Fantom, Gradle, OSGi, JSTL, ActiveMQ, JEDI, Camel, ServiceMix, Jython, Joda-Time