ytrack

[Tim Chase]

I haven't tried this one but am quite partial to "youtube-dl" which
is a Youtube downloader, bringing the media local.  As long as you
have Python installed on your machine (standard on most Linux
distributions), it's just a simple download from

https://github.com/rg3/youtube-dl

and using it, you just pass it the URL of the Youtube video you want
to pull down:

  youtube-dl https://www.youtube.com/watch?v=dQw4w9WgXcQ

and it will pull the media file down locally.  It's actively
developed (most recent edits were made about 2 hours ago) and also
works for pulling media files out of a bunch of other video sites
such as Vimeo, Vine, and Viddler (as well as a disturbing number of
porn sites, based on the source-code in the bleeding-edge git version
that I track).

-tim