Any info how Lombardi's Blueprint is built needed

I've found Lombardi's Blueprint 开发者_JAVA百科as an example of applying GWT. It's awesome. I wonder how is it built, inspite of using GWT. What kind of widget and client JS frameworks did they use. Any info appreciated.

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Lombardi are rather open about their experiences with GWT - they have a very good blog about it. They also gave a presentation on Google IO 2009 about it. Note however that some things are a bit out-of-date and, for example, could be done better/easier with GWT 2.0/2.1.

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A video on InfoQ, I haven't watched it, so it may or may not cover the topics your interested in:

• http://www.infoq.com/presentations/Alex-Moffat-GWT-Blueprint