No specific info about version 4.1. Please visit the main page of MyEclipse Enterprise Workbench GA on Software Informer.
EasyEclipse Desktop Java 1.3 is used for Desktop GUI application development.
Eclipse Niagara Plugin adds support for the 3.7U1 environment.
EasyEclipse Server Java is used for server side Java application development.
The GlassFish Tools Bundle for Eclipse is a open source project.
Java Application Platform SDK allows you to develop application.
It provides the best development environment for building Spring applications.