[geuis]

Whoa. I wrote jsonip a few months ago and never expected it to get noticed. What a pleasant surprise!

Here's the original post with some usage details. http://news.ycombinator.net/item?id=1896015

This is actually running on node.js. If anyone finds a bug or has some suggestions, email me or leave a tweet @geuis.

[btubbs]

If there's a ?callback=something in the query string, you could wrap the JSON in that callback so the service can be used with JSONP.

[webXL]

Node.js - that was my first guess. Nice example of utility computing!