YouGrabber

YouGrabber is available for Debian and Ubuntu through Apt package manager.

First retrieve the repository key and add it to your keyring (must be root):
# gpg --keyserver subkeys.pgp.net --recv-keys 259BAA70
# gpg --export 259BAA70 | apt-key add -

Debian: add the following lines in your /etc/apt/sources.list :
deb http://www.jbdenis.net/apt unstable main contrib non-free
deb-src http://www.jbdenis.net/apt unstable main contrib non-free

Ubuntu: add the following lines in your /etc/apt/sources.list :
deb http://www.jbdenis.net/apt gutsy main contrib non-free
deb-src http://www.jbdenis.net/apt gutsy main contrib non-free

Now type the following commands and enjoy! (must be root):
# aptitude update && aptitude install yougrabber

A big thank you to Carl Chenet, and Jean Baptiste Denis!