Plowshare is a command-line downloader/uploader for some of the most popular file-sharing websites. It works on UNIX-like systems and presently supports Megaupload, Rapidshare, 2Shared, 4Shared, ZShare, Badongo, DepositFiles and Mediafire. Refer to the README for more info.

$ plowdown http://rapidshare.com/files/130403982/1989_-_Castellum_honesti.rar
1989_-_Castellum_honesti.rar

$ plowup natalie_merchant-crazy_man_michael.mp3 megaupload
http://www.megaupload.com/?d=710JVG89

Do you need to upload videos to Youtube? Check youtube-upload (alpha!!)