Eclipse3.0的一些plugin的在线下载和更新的网址
C# plugin Update Site http://www.improve-technologies.com/alpha/updates/site.xml
CDT Update Site http://update.eclipse.org/tools/cdt/releases/new
JBossIDE Update Site http://jboss.sourceforge.net/jbosside/updates
Commonclipse Update http://commonclipse.sourceforge.net
Springframework Update Site http://springframework.sourceforge.net/spring-ide/eclipse/updatesite/
ULC Community Site http://ulc-community.canoo.com/snipsnap/space/Eclipse+Update+Site
Coffee-Bytes Platform Support Update Site http://eclipse.coffee-bytes.com/update-site
Superwaba-ide Update Site http://superwaba-ide.sourceforge.net/update
CFEclipse Update Site http://cfeclipse.tigris.org
Maryland Eclipse Update Site http://www.cs.umd.edu/~pugh/IntroProgramming/eclipseUpdate
Jcoverage ltd Update Site http://jcoverage.com/eclipse/updates
Subclipse Update Site http://subclipse.tigris.org/update
Xmlmodeling Update Site http://update.xmlmodeling.com/updates/3.0
AJDT Update Site http://download.eclipse.org/technology/ajdt/30/update
Solareclipse Update Site http://solareclipse.sourceforge.net/updates/
Subclipse http://www.loonsoft.com/updates
Mevenide http://mevenide.codehaus.org/release/eclipse/update/
EMF http://download.eclipse.org/tools/emf/updates/
Hibernate Update Site http://www.binamics.com/hibernatesync
UML2: http://download.eclipse.org/tools/uml2/updates/site.xml
Spindle: http://spindle.sf.net/updates (开发Tapestry的必备 )PHP: http://pipestonegroup.com/eclipse/updates
oXygen XML Editor http://www.oxygenxml.com/InstData/Eclipse/site.xml
Subversion http://subclipse.tigris.org/update
Eclipse3.0还自带了几个就不写出来了，如果还有请补充，我们把它能完整一些，呵呵，谢过了!