What is WebSphere Application Server Developer Tools for Eclipse?

copied from: http://pic.dhe.ibm.com/infocenter/radhelp/v9/index.jsp?topic=%2Fcom.ibm.rad.install.doc%2Ftopics%2Ft_install_wdt.html
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Installing WebSphere Application Server Developer Tools for Eclipse

IBM® WebSphere® Application Server Developer Tools for Eclipse is a lightweight set of tools for developing, assembling, and deploying Java™ EE, OSGi, Web 2.0, and mobile applications to WebSphere Application Server.

About this task

To install WebSphere Application Server Developer Tools for Eclipse, refer to the following topics:

• System requirements for WebSphere Application Server Developer Tools for Eclipse
  Before you install the software, ensure that your computer meets the requirements.
• Installing from the DVD or an image downloaded from Passport Advantage
  Follow these instructions if you are installing IBM WebSphere Application Server Developer Tools for Eclipse from a DVD or from an electronic image that you downloaded from IBM Passport Advantage®.
• Installing into an existing Eclipse workbench
  You can install IBM WebSphere Application Server Developer Tools for Eclipse into an existing Eclipse workbench from Eclipse Marketplace (Help > Eclipse Marketplace) or from downloaded installation files. You can also update IBM WebSphere Application Server Developer Tools for Eclipse installed into an existing Eclipse workbench.
• Installing Maven tools
  If you are installing into an existing Eclipse instance, you can install tools for developing Maven projects in the workbench.
• Converting an unlicensed version of WebSphere Application Server Developer Tools for Eclipse into a licensed version
  If you installed the product from Eclipse Marketplace but you later purchased a license for the product (for example, you purchased a WebSphere Application Server bundle that includes IBM WebSphere Application Server Developer Tools for Eclipse), then you must install a supported license.
• Known problems and limitations for WebSphere Application Server Developer Tools for Eclipse, Version 8.5.5
  Review the known problems and limitations in WebSphere Application Server Developer Tools for Eclipse, Version 8.5.5.

What to do next

To learn more about WebSphere Application Server Liberty Profile, see The Liberty profile topic available in the Information Center for WebSphere Application Server.

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