youtube-dl is a small command-line program to download videos from YouTube.com and a few more sites. To use youtube-dl you only needed to installed Python interpreter, version 2.x (x being at least 4), and it is not platform specific.
youtube-dl will work in your Unix box, in Windows or in Mac OS X. How about the licence? youtube-dl is is released to the public domain, which means you can modify it, redistribute it or use it however you like. Lanjutkan membaca