You can manage your downloads from an intuitive interface. One of the most loved features of JDownloader is the one that allow you to download files from MegaUpload and Rapidshare at top speed, no matter if you are a premium or a free user.
JDownloader is written in JAVA, so it can be run on Windows, Linux and Mac.
After having tested JDownloader, we can say it is a must have if you daily download lots of files from sites that usually limit your download capacity.
Skip the limits of Filehosting websites for free.