ClipGrab

Source (required if based on other people's work):

Score 63%

Description:

With ClipGrab, you can easily save your favourite videos from sites like YouTube, Dailymotion or Vimeo. And you can convert these videos into “usable” formats like WMV, MPEG or MP3.
This means, you will finally be able to watch (or listen to) your favourite YouTube clips wherever you are, whenever you want and on any device you like (e. g. PC, Mac, iPod, etc).
ClipGrab currently supports these sites:
[li]YouTube[/li]
[li]Dailymotion[/li]
[li]Vimeo[/li]
[li]MyVideo[/li]
[li]MySpass[/li]
[li]Sevenload[/li]

Compiled versions are available for Linux, Microsoft Windows and Mac.