Now with GWT 2, what are the advantages over wicket and likewise?

Question

Apart from the argument of Wicket\'s simplicity (that is, Wicket is a simpler system IMHO) and GWT\'s responsiveness in the client (GWT\'s client side state and JavaScript -

Answer 1

In my opinion the biggest benefit of GWT is allowing you to work with one programming language - Java, with all the goodness that it brings.

Together with CSS, they form a powerful pair.

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To put it another way, you can mostly forget Javascript and HTML.

Whether that's an advantage or not mostly depends on your skills and requirements. We've had this same debate internally and in the end one team chose Wicket and another GWT.