Plowshare is a command-line downloader/uploader for some of the most popular
file-sharing websites. It presently supports Megaupload, Rapidshare, 2Shared,
4Shared, ZShare, Badongo, Divshare.com, Depositfiles, Mediafire, Netload.in,
Storage.to, Uploaded.to, Uploading.com, Sendspace, Usershare, X7.to and some
others.

tesseract, js and PerlMagick are optional runtime dependecies for some sites.
See the plowshare website for details.