JDownloader
JDownloader 2 for Windows
JDownloader.org
JDownloader is open source, platform independent and written completely in Java. It simplifies downloading files from One-Click-Hosters like Rapidshare.com or Megaupload.com and others.
JDownloader requires Java Runtime Enviroment (jre/jdk) 1.5 or higher.

Software Summary:

You can run JDownloader on Windows operating systems. JDownloader is a software product developed by JDownloader.org and it is listed in the category. JDownloader is a free software product and it is fully functional for an unlimited time although there may be other versions of this software product.

Alternatives in on Windows