NetBeans IDE 6.9 Beta
NetBeans 6.9 Beta introduces the JavaFX Composer, a visual layout tool for visually building JavaFX GUI applications, similar to the Swing GUI builder for Java SE applications. Additional highlights include OSGi interoperability for NetBeans Platform applications; support for JavaFX SDK 1.3, PHP Zend framework and Ruby on Rails 3.0; as well as improvements to the Java Editor, Java Debugger, and issue tracking, and more.
http://netbeans.org/community/releases/69/