www.MGateway.com is the main source for EWD and associated documentation and Many Thanks to Rob Tweed for this open source product and for support via the Google Group Enterprise Web Developer Community/https://groups.google.com/forum/?fromgroups=#!forum/enterprise-web-developer-community
Sam Habiel has detailed one installation process on this site: EWD Installation Guide.
Ignatio Valdez has created a debian installer, AstroVistA, which installs WorldVista along with EWD, GTM and Apache.
David Wicksell et. al. have created dEWDrop and made it available for download as a VMWare (or VirtualBox) Virtual Machine with Ubuntu Linux, all of VistA, EWD, GTM and other things configured and hopefully ready to run for development and training in EWD and GTM and VistA itself. It may be downloaded from www.FourthWatchSoftware.com.
EWD Components is a page that details the major working parts of EWD.
EWD Training Examples is an area of VistaPedia with multiple small examples of functioning EWD code to learn and modify for development exercises.
EWD Error Messages is a set of pages with searchable error messages which help to unravel the source of errors in EWD which can be a bit obscure to the uninitiated.