Bengt-Erik Fröberg from Sweden, one of the developers working on ProSang, the leading Scandinavian blood bank system (and based on the NetBeans Platform), is reworking the user interface of the JFugue Music NotePad.
In particular, the Score window (named ScoreFX window below) contains components that are now quite clearly JavaFX, instead of Swing. Looks a lot better and also performs better.
The sliders in the Keyboard window are candidates for being similarly redone to use JavaFX instead of Swing.
Want to do something similar? Here's all the info you need: