Develop JSP: http://www-900.ibm.com/developerWorks/cn/java/l-jsp-eclipse/index.shtml code fold: http://www.coffee-bytes.com/eclipse/Update -site / site.xml offers a variety of code folding style Spring plugin: http: //springframework.sourceforge.net/spring-ide/eclipse/UpdateSite/spring is a very cattle frame. C # plugin: http://www.improve-technologies.com/alpha/Updates/site.xml can develop C # program code folding in Eclipse: http://www.coffee-bytes.com/eclipse/Update-site/ Site.xml provides a variety of code folding style hibernate plugin: http://www.binamics.com/HibernateSync to generate a database profile in a visual manner, can then automatically generate HBM mapping files UML 2 Plugin: This can only download It is installed down, http://www.omondo.com/ xml plugin: http://xmlbuddy.com then there is an Eclipse comes with a Visual Editor, allowing you to visualize in Eclipse Develop Swing / AWT programs, in addition to the update address of C # plugin, there is a good thing with Struts Editor, WSDL Viewer, Axis Plugin, Resin Plugin, etc. It's still a very important plugin: Lomboz, this is very simple, download it down, copy the things under Plugin to the plugin of Eclipse. If there is no effect after installation, add the Clean parameter to start again OK. CSS plug-in: http://csseditor.sourceforge.net JS and AS plug-in: http://sourceforge.net/projects/jseditor regular expression test plugin: http://brosinski.com/stephan/archives/000028.php XPath Test plugin: http://www.purpletech.com/xpe/index.jsp More Eclipse plugins: http://eclipse-plugins.j.net/eclipse/index.jsp