Unless we are having a language issue and you actually mean something else, you could not find it as it does not exist.
Rockbox is an alternative firmware. One capability of Rockbox is it allows you to manage your music on supported apple players without itunes. If this does not answer your question you might consider providing more detail such as what player you have and exactly what you are trying to achieve.
By the way: The place to find Rockbox files and information is here on this site. No torrent search necessary.