GroovyFX is a Groovy binding for JavaFX 2.0.
GroovyFX is a Groovy Module focused on making developing JavaFX 2.0 based UIs in Groovy easy. The main project page is under the Groovy section at codehaus located at GroovyFX. From there, you can download the project jar files, source code, if you are so inclined, and of course the project documentation.