Comparing Flex, Grails, GWT, Seam, Struts 2 and Wicket

The document compares several Java web frameworks: Flex, Grails, GWT, Seam, Struts 2, and Wicket. It discusses the pros and cons of each framework based on the presenter's experience. Various metrics on framework popularity and adoption are presented, such as job listings, mailing list activity, available documentation and tools. The presenter recommends choosing a framework based on the type of application being developed, ease of development, community support, roadmap, and technical features. Prototyping with multiple frameworks is advised before making a selection.