An automatic, configuration-less, GUI for Arduino projects.
Embedded Rapid Application Development
A quick & dirty XUL / XBL prototyping editor for user interface.
Simple GUI to create a CYOA Build-logfile.
Array-based GTK+ store
jQuery parts with server side program
Additional Graphical Classes and Widgets for Tkinter/Ttk
Qt Slide Switch Button Component
New Look Button Components for Delphi/Lazarus
Serial port controls for WPF
clickTk is a graphical editor to generate Perl/Tk GUI.
Java Swing HTML / CSS rendering component