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 GanttProject
Issue TrackingScarab , Jira(商业)
UML & Modeling ArgoUML Poseidon
MDAAndromda
Web TestingHtmlUnit , MaxQ , JWebUnit , HttpUnit
DataBase TestDBUnit DBMonster 测试数据生成
SQL ClientsSQuirreL SQL Client
Code AnalyzerFindBugs , PMD
ObfuscatorProGuard , yGuard
Installers GeneratorIzPack 制作安装包 JSmooth 制作执行文件 JavaServ 制作NT Service