WebSphere Application Server - Express for iSeries ships with WebSphere Development Studio Client for iSeries. The client application is installed on your Windows workstation and interfaces with your iSeries server.With Development Studio Client, you can:
The following workstation components are included in WebSphere Development Studio Client:
IBM WebFacing Tool
The IBM WebFacing Tool can convert your DDS display source files into an application that runs in the WebSphere Application Server - Express server that you can then access from your browser.
Remote System Explorer
The Remote System Explorer is a programming environment that supports multiple views, editors, tools, and tool extensions.
Java development tools
These tools encompass all the writing, editing, compiling, and debugging functions needed in a complete Java development cycle. Java development tools also contain several iSeries-specific enhancements.
Web development tools
Web development tools encompass all the designing, editing, testing, debugging and publishing functions needed in a Web development cycle. These tools also contain several iSeries-specific enhancements.
Database development tools
Database development tools are included in this product.
Web services development tools
Web services development tools allow you to create modular applications that can be invoked on the World Wide Web.
Server development tools
Server development tools are used to test applications in a local or remotely installed run-time environments.
XML development tools
XML development tools support any XML-based development.
CODE
CODE is the classic set of Windows tools for iSeries development. Its functionality will be subsumed by the Remote Systems Explorer.
VisualAge RPG
VisualAge RPG is a visual development environment that allows you to create and maintain client/server applications on the workstation.
Use these resources for more information on WebSphere Development Studio Client for iSeries:
WebSphere Development Studio Client Help
The WebSphere Development Studio includes detailed Help text.
Getting Started with IBM WebSphere Development Studio Client for iSeries 
This document provides overview and getting started information for users new to the WebSphere Development Studio environment.
WebSphere Development Studio Client for iSeries product website
The product website provides resources for learning more about WebSphere Development Studio.
IBM iSeries System Debugger provides a graphical user debugging environment on the iSeries server. Use iSeries System Debugger to debug and test programs that run on your iSeries server. For information on using the iSeries System Debugger to debug your applications, see the iSeries System Debugger topic.