spring source tool suite 3.6
install gwt designer plugin
http://code.google.com/intl/it-IT/webtoolkit/tools/download-gwtdesigner.html
update site: http://dl.google.com/eclipse/inst/d2gwt/latest/3.6
install gwt plugin
http://code.google.com/intl/it-IT/eclipse/docs/getting_started.html
update site: http://dl.google.com/eclipse/plugin/3.6
goole maps api
http://code.google.com/p/gwt-google-apis/
Nowadays, for me it (1.1 version) does not work with gwt-2.3.0 but only with gwt-2.0.3.
In order to use gwt designer you need to right click on your class (es:StockWatcher.java) \ open with \ GWT Designer.
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