nib4j

Just noticed this on comp.lang.java.announce:

nib4j - build guis using Apples Interface Builder.

http://www.nib4j.com/

nib4j provides the following features and many more:

• Include Carbon nib files in your cross-platform Swing applications

• Use "nib4j Viewer" for trying out your cross-platform UI without

writing any code

• Test your cross-platform UI with different Look & Feels

• Support for about 30 different UI controls

• Easiest application integration with just a few lines of code

• Complete separation of UI and application code

• Automatically generate Java classes with "nib4j Viewer"

• Support for absolute and relative positioning/sizing of the UI

controls

• Support for a grid-based cross-platform layout using JGoodies Forms

• Embed your own customized components in the generated Swing UI

• Use real floating palette windows inside your Mac OS X Swing

applications

• Create group boxes with the original Mac OS X 10.3 style

• Support for internationalization and localization

• Define a custom focus cycle order within Interface Builder