Below is the current state of XUL component implementations. Note that even though a component may be implemented for a particular UI technology, it may not contain all of the functionality that others may have.

Component	Swing	SWT	GWT
Browser	No	Yes	No
Button	Yes	Yes	No
Caption	Yes	Yes	No
Checkbox	Yes	Yes	No
ConfirmBox	No	Yes	Yes
Dialogheader	Yes	No	No
FileDialog	Yes	Yes	No
FileUpload	No	No	Yes
Image	Yes	Yes	No
Include	Yes	Yes	No
Label	Yes	Yes	Yes
Listitem	Yes	Yes	No
Menuitem	Yes	Yes	Yes
MenuList	Yes	Yes	Yes
Menuseparator	Yes	Yes	No
MessageBox	Yes	Yes	Yes
Progressmeter	Yes	Yes	No
PromptBox	No	Yes	Yes
Radio	Yes	Yes	Yes
RadioGroup	Yes	Yes	Yes
Scale	Yes	Yes	No
Script	Yes	Yes	No
Separator	Yes	Yes	No
Spacer	Yes	Yes	Yes
Splitter	Yes	Yes	No
Statusbarpanel	Yes	No	No
Tab	Yes	Yes	Yes
Tabpanel	Yes	Yes	Yes
Textbox	Yes	Yes	Yes
Toolbarbutton	No	Yes	Yes
Toolbarseparator	No	Yes	Yes
Toolbarspacer	No	Yes	Yes
Toolbarspring	No	No	No
TreeCell	Yes	Yes	Yes
TreeCol	Yes	Yes	Yes
WaitBox	No	No	No
Accordion	No	No	No
AccordionPanel	No	No	No
Box	No	Yes	No
Column	Yes	Yes	Yes
Columns	Yes	Yes	Yes
Deck	Yes	Yes	Yes
Dialog	Yes	Yes	Yes
Editpanel	No	Yes	No
Grid	Yes	Yes	Yes
Groupbox	Yes	Yes	Yes
Hbox	Yes	Yes	Yes
Listbox	Yes	Yes	Yes
Menu	Yes	Yes	No
Menubar	Yes	Yes	Yes
Menupopup	Yes	Yes	Yes
Row	Yes	Yes	Yes
Rows	Yes	Yes	Yes
Scrollbox	No	No	No
Statusbar	Yes	No	No
Tabbox	Yes	Yes	Yes
Tabpanels	Yes	Yes	Yes
Tabs	Yes	Yes	Yes
Toolbar	No	Yes	Yes
Toolbaritem	No	Yes	Yes
Toolbarset	No	No	No
Tree	Yes	Yes	Yes
TreeChildren	Yes	Yes	Yes
TreeCols	Yes	Yes	Yes
TreeItem	Yes	Yes	Yes
TreeRow	Yes	Yes	Yes
Vbox	Yes	Yes	Yes
Window	Yes	Yes	Yes
ExpandPanel	No	No	Yes

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