ed2k Helper is a simple application that handle ed2k:// protocol in URL from your browser. Traditionally, on Mac OS, those URL are simply ignored because there is no real eDonkey client application. But since Mac OS X, we can run many more application, coming from unix world. So Mac OS can run daemons like mldonkey to use e-donkey network. Those daemons usually offer a web interface to handle downlaods, searches etc... ed2k Helper will use this web interface to add your files to the downlaod queue.