The most recent of these are listed below.
Java(versions 5-8), J2EE
Spring, Hibernate, SOAP web services, Restful Web services
Oracle 9i, Postgres, MySQL, Dynamo DB
Tomcat, Jboss, Jetty
JUnit, Mockito
Maven, uDeploy
Jenkins, Hudson
SVN, CVS and Git(Stash)
Data structures, Splunk, Jira, Selenium, Spark, Hive, HDFS