Download Youtube Videos From Command-Line With Youtube-dl

youtube-dl is a small command-line program to download videos from YouTube.com and few more sites. All it requires is the Python interpreter version 2.5 or higher, and it is not platform specific.

This small tool is simple and offers everything you would love to have, but not the GUI. It supports several websites listed as below:

Supported sites

YouTube.com.
YouTube.com playlists (playlist URLs in "view_play_list" form).
YouTube.com searches
YouTube.com user videos, using user page URLs or the specifc "ytuser" keyword.
metacafe.com.
Google Video.
Google Video searches ("gvsearch" keyword).
Photobucket videos.
Yahoo! video.
Yahoo! video searches ("ybsearch" keyword).
Dailymotion.
DepositFiles.
blip.tv.
vimeo.
myvideo.de.
The Daily Show / Colbert Nation.
The Escapist.
A generic downloader that works in some sites.

You can download the tool from GitHub. For more information about the tool, check the documentation. The standalone executable for windows is also available for download from the same github repository.