(via www.susegeek.com)
clive is an open source command line tool to extract videos and to bypass the need to use Adobe Flash in order to view user-generated content available on video-sharing websites. Clive supports Youtube, GoogleVideo, Dailymotion, metacafe, Guba, Sevenload, Myvideo. Clive converts the downloaded Flash Video into a MP4 file avoiding the need of having a Flash Video Player.
