Web Dynpro Tools in the ABAP Workbench 
A range of tools are provided for developing Web Dynpro applications.
The Web Dynpro Explorer is the most important tool. It is fully integrated in the ABAP Workbench (SE80) and does not have a separate transaction code.
More information: Web Dynpro Explorer
You can use the Web Dynpro code wizard to insert methods into your source code and then edit them, and you can use templates to create views.
For more information, see: Web Dynpro Code Wizard
The Web Dynpro text browser is an authoring environment that allows you to access the Online Text Repository.
For more information, see: Web Dynpro Text Browser
You can create enhancement implementations for your Web Dynpro applications.
For more information, see: Modification-Free Enhancements
Further functions supporting you with the development include:
Web Dynpro ABAP objects are integrated in the Note Assistant.
Furthermore, it is possible to test with the Extended Computer-Aided Test Tool (eCATT) for Web Dynpro applications.
For more information, see: Technical Details on Correction Instructions
More Information
The Programming Manual in this documentation contains an overview of programming with Web Dynpro.
You can find platform-independent information about Web Dynpro and an introduction to the terms used in the in the Web Dynpro section of the Architecture Manual.