Related Projects
Sarissa is a cross-browser Javascript XML library. It contains better versions of some of the XML utilities in util.js. Don't look to Sarissa for remoting, but do look to it for better XML functions. Sarissa is GPL/LGPL.
Both cross-browser.com and quirksmode.org contain useful cross-browser script libraries.
JSON-RPC-Java does a similar job to DWR. The main difference between JSON-RPC-Java and DWR is that JSON focuses on a standardized wire protocol so you can re-write your back end server and leave the browser as it is. DWR focuses on making remoting easy for both ends of the spectrum, Java and JavaScript.
CFAjax is a port of DWR to ColdFusion.
