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(商業)
Database EngineHypersonic SQL , Mckoi
Wiki EngineJSPWiki
ForummvnForum
BloggerRoller Snip Snap
ERPCompIEre ERP
Charting & Reporting ToolJFreeChart Cewolf JFreeChart的taglib JasperReports iReport JASPerReports的設計器
XMLDom4J , JDOM eXist Native XML 數據庫 XStream JiBx 綁定XML數據為OO對象
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 遠程訪問Access數據庫 CrossDB 用OO語法生成跨數據庫的SQL語句
IDEEclpse , IntelliJ IDEA (商業)
Build SystemAnt , Maven , Cruise Control
Project Management ToolsXPlanner GanttProject
Issue TrackingScarab , Jira(商業)
UML & Modeling ArgoUML Poseidon
MDAAndromda
Web TestingHtmlUnit , MaxQ , JWebUnit , HttpUnit
DataBase TestDBUnit DBMonster 測試數據生成
SQL ClientsSQuirreL SQL ClIEnt
Code AnalyzerFindBugs , PMD
ObfuscatorProGuard , yGuard
Installers GeneratorIzPack 制作安裝包 JSmooth 制作執行文件 JavaServ 制作NT Service