JFX-Central is your one-stop destination for anything related to the JavaFX ecosystem: latest news, a list of people that develop libraries, write books, give presentations. Blogs with posts specific to JavaFX. A hand-picked list of videos from conferences (such as the JFX-Days), product demos, real-word examples. Collections of books for newbies and pros and a registry of the most popular JavaFX libraries.
This website is an opensource project you can find on GitHub: jfxcentral, with the content in a separate project: jfxcentral-data. Feel free to add your project, documentation, book, etc. via a pull-request!