There is a plugin for Eclipse called WindowBuilder. Is there an equivalent for IntelliJ?
GUI Designer in IntelliJ IDEA enables you to create graphical user interfaces (GUI) for your applications using Swing library components. The tool helps you speed up the most frequent tasks: creating dialogs and groups of controls to be used in a top-level container such as a JFrame.
IntelliJ IDEA is a pure Java Swing application. All the custom components like editor tabs are created manually, no third-party libraries are used for this.
To move one or more componentsDrag and drop the selection to the target container, or to the target area within the same container. The valid drop locations are highlighted with blue borders.
IntelliJ has it's own GUI Builder: http://www.jetbrains.com/idea/features/gui_builder.html
But there are also 3rd party plug-ins.
The best so far that can work standalone or as a plug-in for IntelliJ, Eclipse, Netbeans etc. is JFormDesigner: http://www.formdev.com/
JFormDesigner is the best UI Designer I've tried so far: just take a look at the demos.
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