GWT Tk is a library of reusable components for programming interactive web applications.

FeaturesSimpleHyperLink, ExternalHyperLink create links without fussing with browser history DropDownPanel a widget which expands to show it's content (like in Gmail) ModalDialog a full-featured, highly configurable modal dialog AlertDialog a modal dialog tailored for conveniently displaying alerts GlassPanel a transparent widget which blocks user interaction with the document RowPanel, ColumnPanel panels which facililtate simpler, more natural table-based layouts than VerticalPanel & HorizontalPanel Debug print trace statements in all browsers EventWrapper, DelegatingWrapper, CWrapper handle additional events on existing widgets focus management & containment