PWT is accronym for Putnami Web Toolkit
Offical site : http://pwt.putnami.org/
Windows :
cd scripts
mvn-install-without-modules.bat
mvn-gwt-run-codeserver.bat
mvn-tomcat7-run-gwt-codeserver.bat
Linux :
cd scripts
./mvn-install-without-modules.sh
./mvn-gwt-run-codeserver.sh
./mvn-tomcat7-run-gwt-codeserver.sh