Is there any application that we could use with one of the web server apps that is available and use it to copy musics to our iphone or from our iphone to a computer.

Maybe if we can use a webservice or something to sync musics and a web application that uses that webserive. Therefor we have a portable sync program that is platform independent and we can sync via any regular web browsers.

I am a developer (both web and windows but not mac) and maybe able to help to build such an application if there isn't any.