The Eclipse Web Tools Platform (WTP) project extends the Eclipse platform with
tools for developing J2EE Web applications. The WTP project includes the
following tools: source editors for HTML, Javascript, CSS, JSP, SQL, XML, DTD,
XSD, and WSDL; graphical editors for XSD and WSDL; J2EE project natures,
builders, and models and a J2EE navigator; a Web service wizard and explorer,
and WS-I Test Tools; and database access and query tools and models.

WWW: http://www.eclipse.org/webtools/