JSONPify.com »
A JSONP Proxy for external web services. Built with NodeJS and nginx!
Usage is simple. Make a GET request to:
http://jsonpify.com/api?url=XXX&format=xml&jsonp=mycallback
url: the URL of the web service. Use encodeURIComponent if you are passing along parameters.
format: json (default), xml, text
jsonp: your jsonp callback. default: jsonp()