An open source [Java] IDE formerly owned by IBM. It is written in [SWT] which provides a faster native [GUI] than other Java IDEs like [NetBeans] and [JBuilder]. Its [refactoring|Refactoring] utilitiy is superior among other IDEs as well. 

It has many plug-ins available for free download or buy, for different purposes from [Swing]/SWT GUI building to UML modeling, for example [SWT GUI Builder|http://www.swtguibuilder.com/index.htm], [JBeaver Swing GUI Builder|http://www.ratundtat.com/index01.htm?menue=40], [SDE for Eclipse|SmartDevelopmentEnvironment].

Homepage [http://www.eclipse.org/]