[defunkt]

If you use your own server make sure you set the Access-Control-Allow-Origin header:

https://github.com/defunkt/dotjs/blob/master/bin/djsd#L26

(Also, Ruby comes with OS X (just like Python) so it seemed a sane choice.)

[reustle]

But Python comes with OSX and Ubuntu

[cdcarter]

But Ruby is the language the developer uses when doing something basic like this?