JPSPAN provides tools to "hook up" PHP and Javascript, for the purpose of fetching data from PHP into a web page which has already loaded, without reloading the entire page. It allows you to call remote PHP objects as local Javascript objects
The DCN Toolkit contains the DCN Interpreter for processing XML datastreams in a CORBA/ECMA compliant environment. See http://www.dataconsortium.org for information about the Data Consortium Namespace and its RDF Dictionary.