J2EE FrameworkSpring , OfBiz
Persistence FrameworkHibernate , iBATIS
Web FrameworkStruts , Tapestry , WebWork2 , Echo ASPect-Oriented Framework ASPectJ , ASPectWerkz , JBossAOP
Web Services ToolsAxis
PortalEXO Platform , Liferay , Jakarta JetSpeed , Pluto
Rule EngineDrools
Workflow EngineOSWorkflow jBpm
JMSOpenJMS
CMSInfoGlue , JBoss Nukes , opencms
Scripting Languages Groovy , Jython
Template EnginesVelocity , FreeMarker
Search Engines LUCene
Job SchedulersQuartz
Transaction ManagerJOTM
Cache SolutionOSCache , JCache
EJB ServerJBoss , JOnAS , Geronimo
Web ServerTomcat , Jetty , Resin(商业)
Database EngineHypersonic SQL , Mckoi
Wiki EnginejspWiki
ForummvnForum
BloggerRoller Snip Snap
ERPCompiere ERP
Charting & Reporting ToolJFreeChart Cewolf JFreeChart的taglib JASPerReports iReport JASPerReports的设计器
XMLDom4J , JDOM eXist Native XML 数据库 XStream JiBx 绑定XML数据为OO对象
Html ParsersNekoHTML , HTML Parser
Excel POI JExcelAPI
PDF LibrariesiText
JSP Tag LibrariesDisplay tag library , Jakarta Taglibs
Network Client JFTP , Jakarta Commons HttpClient , Jakarta Commons Net
Network ServerApache James
Database APIRMIJdbc 远程访问Access数据库 CrossDB 用OO语法生成跨数据库的SQL语句
IDEEclpse , IntelliJ IDEA (商业)
Build SystemAnt , Maven , Cruise Control
Project Management ToolsXPlanner