It is a server that you can control over network with scripts like PHP, Java or C.
You can read information of your playlist/songs or control Winamp with it.
It's like httpQ with some improvments and still in development. Feature-Requests are welcome...
http://httpget.incubo.de
Version: 1.1.1
With the use of the website documentation you should be able to get this up and running without too many issues. Some local documentation would be nice (incase the site goes down as was the case with the initial review).
Causes stability issues with the most recent Winamp versions.